BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 4 Series F32 (2014+)

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Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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Armytrix - Corporate Logo
T#:582633
Part#: BF33B-DS11B
Ships on Oct 19, 2026
$ 4,354.00 USD
Free Shipping
$ 4,354.00 USD
Free Shipping

To harvest the full potential of the BMW engine, Armytrix utilizes quality T304 stainless steel, forged with the most advanced technologies and by the highest standard, to build their valvetronic exhaust. Meticulously engineered, the system handles an increased volume with ruthless efficiency. The refinement and amplification of power and sound alter the entire identity of the vehicle. Upgrades to HP and torque provide more freedom than ever and the auditory sensation throughout the rev range will have your adrenaline pumping to the beat of the car.

The ARMYTRIX exclusive OBDII dongle system reduces the installation time by 50%! With clear displays and user-friendly controls, navigate through our smartphone app to attain an insightful look into the vehicle's real-time operational status and complete control over the valve settings. They have tailored each exhaust for carrying the maximum payload to be delivered to thunderous effect. Their streamlined system is lighter, ridded of the OE deadweight and offers an unrestrictive flow; the improved efficiency plays a vital role in the dramatic improvements in both horsepower and torque.

ARMYTRIX Corp. has established itself as a manufacturer of world class titanium and stainless valvetronic exhaust systems for high-end performance cars. The ARMYTRIX R&D team consists of highly trained and experienced German and Japanese factory engineers and supercar tuning experts, each having decades of knowledge and experience within the race track and automotive performance industries.

Includes:

Front Pipe
Mid Pipe 1
Mid Pipe 2
Valvetronic mufflers
Tail pipe
Remote control module
Features:

Stainless Steel
Dual Blue Coated Tips
3 Mode Valve System to control exhaust sound

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Armytrix - Corporate Logo
T#:582635
Part#: BF33B-DC11
Ships on Oct 19, 2026
$ 4,592.00 USD
Free Shipping
$ 4,592.00 USD
Free Shipping

To harvest the full potential of the BMW engine, Armytrix utilizes quality T304 stainless steel, forged with the most advanced technologies and by the highest standard, to build their valvetronic exhaust. Meticulously engineered, the system handles an increased volume with ruthless efficiency. The refinement and amplification of power and sound alter the entire identity of the vehicle. Upgrades to HP and torque provide more freedom than ever and the auditory sensation throughout the rev range will have your adrenaline pumping to the beat of the car.

The ARMYTRIX exclusive OBDII dongle system reduces the installation time by 50%! With clear displays and user-friendly controls, navigate through our smartphone app to attain an insightful look into the vehicle's real-time operational status and complete control over the valve settings. They have tailored each exhaust for carrying the maximum payload to be delivered to thunderous effect. Their streamlined system is lighter, ridded of the OE deadweight and offers an unrestrictive flow; the improved efficiency plays a vital role in the dramatic improvements in both horsepower and torque.

ARMYTRIX Corp. has established itself as a manufacturer of world class titanium and stainless valvetronic exhaust systems for high-end performance cars. The ARMYTRIX R&D team consists of highly trained and experienced German and Japanese factory engineers and supercar tuning experts, each having decades of knowledge and experience within the race track and automotive performance industries.

Includes:

Front Pipe
Mid Pipe 1
Mid Pipe 2
Valvetronic mufflers
Tail pipe
Remote control module
Features:

Stainless Steel
Dual Carbon Fiber Tips
3 Mode Valve System to control exhaust sound

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Enthusiast Bundles - Corporate Logo
T#:24876351
Part#: 025817TMS09EBKT
Ships on Mar 30, 2027
$ 2,512.98 USD
$ 2,512.98 USD

Exhaust Information

Upgrade your BMW with the Turner Motorsport F3x 335/435i valved catback exhaust system, offering versatility and performance. Control your car's sound with ease, blending in with closed valves or unleashing the N55 engine's roar with valves open.

Features:

  • Mandrel-bent dual 80mm 304SS pipe
  • High flow, valved, stainless steel muffler
  • Accuseal slip-fit joints
  • Utilizes both muffler exits for valved and muffled operation
  • Includes Turner engraved exhaust tips

Intake Information

Elevate your BMW's engine bay aesthetics and performance with the Turner Motorsport N55 Carbon Intake. Witness significant power gains of +7 WHP / +14 WTQ and enjoy a sleek carbon fiber design that integrates seamlessly with OEM components.

Features:

  • +7 WHP / +14 WTQ (peak gains) and +12 WHP / +15 WTQ (max gains)
  • 2x2 twill weave carbon fiber construction
  • Wrinkle Black Powder Coated heat shield
  • Ovaled Intake tube for OEM compatibility
  • High-flow reusable Turner Motorsport air filter
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Enthusiast Bundles - Corporate Logo
T#:37284803
Part#: 048683LAEBKT
In Stock
Sale - Save 45% $ 1,914.99

This product was last offered at the strikethrough price on
05-05-2026

$ 1,049.99 USD
Sale - Save 45%
$ 1,914.99

This product was last offered at the strikethrough price on
05-05-2026

$ 1,049.99 USD

B58 Performance Valved Catback Exhaust - F30, F32, F33, F36:

Still have the factory exhaust fitted to your B58? You don't know what your missing. Free up lost performance with a new full cat-back exhaust complete with factory valve control!

The B58 engine earned the badge "Worlds 10 Best Engines" four times as of 2023. In 2016 the single turbo straight six found its way to the leaderboards for the first time and followed up in 2017, 2019, and 2020 staying on the charts as one of the best engines in the WORLD.

Our new cat-back exhaust is designed to take out restrictions, maximize flow and give your B58 a signature exhaust note that will excite you on every drive. From the factory your vehicle comes equipped with a combination of three mufflers and resonators that do a great job of silencing the exhaust and restricting flow. There is a center muffler(one restriction), rear section resonator(two restrictions) and a bulky muffler(three restrictions!). With all of those stop gates how do you expect to get the maximum performance out of your vehicle, you simply cannot do so. Lucky for our in-house engineers you no longer have to deal with the quiet and limiting factory exhaust.

To create a cat-back exhaust for this incredible engine the changes happen right after the downpipe. We replaced the factory oval pipe with our full 3.0" T304 stainless steel piping. The true 3.0" exhaust makes its way through the center and rear of the car without the center muffler or resonator to keep flow to a maximum! With smooth mandrel bent transitions our exhaust passes perfectly under the rear subframe for a factory equivalent fit. Positioned in the rear of the car is our signature B58 muffler with beautiful inlet and outlet piping that creates the perfect exhaust tuning. Featuring relief cut slip joints and fabricated sheet metal brackets the exhaust can be fully adjusted and mounted seamlessly in the factory locations. Dual 4.0" exhaust tips are optioned to fill out the open space in the rear diffuser and complete the rear profile of the vehicle.

Sound clips! Check out our Product Highlight on the ECS Tuning YouTube channel!

Part Design:

Turner In-house designed and engineered using FARO ARM laser scanning technology and SolidWorks 3D CAD modeling for precision fitment. T304 Stainless Material in a natural finish - 1.25mm wall thickness, back purged and TIG-welded throughout Full 3.0" Stainless Steel Mandrel Bent Tubing T304 Stainless Steel 12mm barbed exhaust hangers Tig-Welded in OE locations for precise fitment.​ Strategically placed slip joints provide the most adjustability to obtain perfect fitment Features and Benefits:

Street/Motorsport inspiration Controlled by factory valves Compatible with factory and aftermarket downpipes (80mm) Reduction in back pressure for increased throttle response, TQ and HP Dual exit with fitted exhaust tips Kit Contents:

3.0" front exhaust section (direct fitment to the factory downpipe) Full 3.0" light weight free-flowing middle muffler sections for better sound, performance and weight savings. Valved Rear muffler Valve extension harness Clamps and Hardware for an OEM+ install Turner Exhaust tips - 3.0" Inlet, 4.0" Outlet Product Development:

Our F Chassis B58 Valved Cat-back was designed, engineered, tested and quality inspected by our Research and Development team at Turner. Nothing but the highest level of precision and quality through leading-edge product development technology including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modeling, rapid prototyping utilizing our in-house 3D printer and rigorous long term product testing.

B58 Engine Design:

BMW's first mass produced turbo charged engine, the N54 took the world by storm opening a whole can of worms in the car industry and aftermarket community. A new era of motors were created with the new B58 roughly 9 years after the N54 had been tested and pushed to its limits along with its single turbo companion, the N55. In 2015 the modular engine family was created and the B58 was released into the wild to set a new standard in performance and reliability. Turning back to their roots the B58 engine features a closed-deck engine design similar to the N54 that allows a massive increased in boost pressure capacity and heightened compression ratio. Thought the B58 is similar in weight and size to its predecessor, the new modular engine makes considerably more power right off the rip. With the new block design heat management has been upgraded to reduce the affects of heat cycling to slow the rate of cooling and prevent engine components from failing due to rapid cooling. Just like the N55 the B58 comes fitted with dual vanos, valvetronic and a single twin scroll turbo. Just 8 years experience of this motor we can all agree that the B58 looks like it could be the future of motors to come. This tunable engine has been tested up to 1000hp with the stock block and hosts a platform for the community to break into a whole new class of attainable "supercar killers".

Click HERE for Installation Instructions:

Turner Aluminum Charge Pipe - F3x B58:

- Click HERE for Installation Instructions -

The factory B58 charge pipe is made from plastic to reduce weight and manufacturing costs. While this is great for the production line and the sticker price, it doesn't hold up well as the engine ages or in the case of increased power.

Replacing the weak plastic stock part with a solid aluminum one like this will ensure proper functionality under higher levels of boost and eliminate wear caused by the heating and cooling of plastic pipes. You can also safely turn up the boost on your B58 once this kit is installed, and not worry about the problematic factory piece.

Whether you have a stock car and are looking for improved throttle response and peace of mind, or a high boost monster in search of reliability in your big horsepower build, this charge pipe is the solution you’ve been looking for!

Design Features and Benefits:

The upper pipe is constructed from 6063 aluminum for increased durability over the factory plastic charge pipe. Can withstand higher boost pressures while offering OE-like fitment.

Billet CNC throttle body flange for OEM fitment.

Black powder coated for exceptional durability and corrosion resistance.

Lower pipe is constructed of 4-ply reinforced silicone hose and a 6061-T6 black anodized aluminum coupler to retain factory fitment to the turbo.

Silicone provides a smooth transition from turbo outlet to the upper aluminum pipe. The silicone also provides good wear resistance wear the charge pipe is in close contact with the turbo inlet and coolant hoses.

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Akrapovic - Corporate Logo
T#:394615
Part#: MTP-BM/SS/2HKT
Back Ordered
$ 4,822.99 USD
Free Shipping
$ 4,822.99 USD
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The Akrapovic Evolution exhaust systems for the BMW F30 340i & F32 440i are the result of the perfect integration of expertise, the best technology, and the use of the finest materials. Made of austenitic stainless steel, these systems feature a newly developed layout with two central link pipes replacing the single stock pipe, a new muffler design, and carbon fiber tailpipes.

This Akrapovic Evolution exhaust improves upon the stock exhaust system of the BMW 340i in numerous areas. The first visible improvement is the additional power of 4 HP (at 6400 rpm) and 6.3 Nm (at 2550 rpm). The range between 2.000 rpm and 3.500 rpm  was particularly improved. A noticeable improvement can also be observed at high RPM where the Evolution gives more power. This sporty elegance makes this Bavarian machine stand out from the rest and offers the taste of a more powerful version, accentuated with the additional power gains and weight losses of the Evolution system. The dual-mode ECU-controlled valve exhaust from Akrapovic offers stock-level sound at normal cruising, and a joyful deep sporty note when driving the 340i more dynamically. The Evolution systems replace the stock exhaust from the catalytic converters back.

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AFE - Corporate Logo
T#:557830
Part#: 49-36340-B
Back Ordered
20% off MSRP $ 2,797.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,238.00 USD
20% off MSRP
$ 2,797.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,238.00 USD

The aFe MACH Force-Xp cat-back exhaust system for the BMW N55 exceeds your quality and performance expectations.  3"- 2-1/2" mandrel bent 304 stainless steel tubing and high flow transverse muffler offers maximum exhaust flow and incorporates a factory style exhaust valve to control the exhaust note. The valve utilizes the factory valve motor and factory performance modes. When closed, it directs the exhaust through the high flow muffler for a smooth, tuned exhaust note. When opened, the exhaust is allowed to bypass the muffler and unleash the sound and performance of your N55. Large 4" diameter gloss black stainless steel exhaust tips come with a laser-etched aFe POWER logo for a stylish finish.

DETAILS:

  • +12 HP and +10 lbs. x ft. Torque max gains
  • 3" - 2-1/2" mandrel bent, 304 stainless steel for maximum flow
  • High flow, transverse muffler with a high-temp powder-coated black finish
  • Dual 4" diameter gloss black stainless steel exhaust tips
  • Includes factory style exhaust valve (using factory motor, not included)
  • Optional resonator delete pipe is available PN 49-36622
  • 100% hand TIG-welded for strength and durability

Performance Gains:
Data coming soon!

304 Stainless Steel Construction:
3" into 2-1/2" mandrel bent 304 stainless steel tubing for maximum performance, corrosion resistance, durability and overall breath-taking appearance.

High-Flow Performance Muffler:
Featuring a corrosion resistant high temp. metallic black powder-coat this high flow, transverse stainless steel muffler improves sound and performance gains across the power band.

Dual 4" Gloss Black Tips:
Finishing off this system are dual 4" diameter, gloss black, stainless steel exhaust tips. The tips come with a laser-etched aFe power logo for a custom, stylish finish.

Exhaust Valve:
Incorporated is a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position and factory performance mode for maximum performance.

Resonator Delete Pipe:
An optional resonator delete pipe is compatible with this exhaust system (not included, sold separately) aFe part number: 49-36622 (No cutting or fabrication required).

TIG-Welded:
100% TIG-Welded by certified craftsmen for race proven strength and durability.

Hassle-Free Installation:
This exhaust system is designed to be a true bolt on system with no cutting or modifications required. Quality hardware is included for a hassle-free installation.

Note:
Will NOT fit xDrive (AWD) Models

Emissions Disclaimer:
This product does not require a CARB EO# (CARB Aftermarket Parts Verification Guidelines).

All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

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AFE - Corporate Logo
T#:557641
Part#: 49-36329-B
Back Ordered
20% off MSRP $ 2,105.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,684.00 USD
20% off MSRP
$ 2,105.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,684.00 USD
MACH Force-Xp 3in to 2-1/4in Stainless Steel Cat-Back Exhaust System w/Black Tip BMW 328i/428i (F30/F32) 12-16 I4-2.0L (t) N20
VRSF Replacement Downpipe Gaskets & Hardware
We Price Match - Give Us A Call or Chat!
VRSF - Corporate Logo
T#:26038606
Part#: 509010
In Stock
$ 26.00 USD
Free Shipping on orders $49 and up

Ensure a perfect seal for your BMW's OEM, VRSF, or aftermarket high flow downpipes with our high-quality Grade 12 installation hardware and gaskets. Each set includes 4 bolts, nuts, washers, and 2 stainless steel gaskets suitable for N54/N55 engines. Designed for years and models specified below, these components guarantee optimal performance and compatibility. Additionally, turbo to downpipe gaskets and clamps are available separately, along with midpipe gaskets for the S55 engine.

  • High-quality Grade 12 installation hardware and gaskets
  • Ensures a perfect seal for OEM, VRSF, or aftermarket downpipes
  • Suitable for N54/N55 engines
  • Compatible with specified BMW years and models
  • Turbo to downpipe gaskets and clamps available separately
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ECS - Corporate Logo
T#:19362504
Part#: 048027LA01
In Stock
Sale - Save 25% $ 356.99

This product was last offered at the strikethrough price on
06-14-2026

$ 267.74 USD
Free Shipping
Sale - Save 25%
$ 356.99

This product was last offered at the strikethrough price on
06-14-2026

$ 267.74 USD
Free Shipping

Arguably THE BEST modification for your B46/B48. This muffler delete sounds too good to be a 4 cylinder! The combination of B48 and muffler delete surpasses all sound expectations from a 4-cylinder! Impressive direct-fit solution. With this new muffler delete you can transform the sound and driving experience of your 330 or 430. A simple installation that can be completed with hand tools gives you the ability to take your car to the next level at home in your garage!

The ECS B48 muffler delete removes the heavy and restrictive factory exhaust muffler and replaces it with a high-flow, straight-through exhaust pipe. This adds a louder exhaust note in a simple, cost-effective way without replacing the entire exhaust system and is fully compatible with the OEM rear valance. The muffler delete creates a noticeable increase in exhaust sound and more exhilarating turbo noise, without adding significant drone at cruising speeds. As an added bonus, our muffler delete shaves off 21.0 lbs., weighing in at only 7.0lbs compared to the OEM muffler at 28.0lbs!

Features and benefits:

Enhanced exhaust tone
Simple installation (with instructions!)
21lb weight savings! (Factory muffler 28 lbs, muffler delete 7 lbs!)
Tip adjustment capability ​
Slide farther on for left and right adjustment
Rotate for verticle adjustment
Good looking and durable 304 stainless steel construction
Heavy-duty fabricated sheet metal exhaust hangers
Dual staggered tip exhaust tips (integrated)
Installation and Support:

Installation is as easy as cutting, placing into position, and clamping!
Tools you might want for the job:
Exhaust hanger removal pliers - T379176
Exhaust pipe cutter - T385451

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Turner Motorsport - Corporate Logo
T#:637492
Part#: 025817TMS11KT
In Stock
Sale - Save 27% $ 309.31

This product was last offered at the strikethrough price on
06-14-2026

$ 224.99 USD
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Sale - Save 27%
$ 309.31

This product was last offered at the strikethrough price on
06-14-2026

$ 224.99 USD
Free Shipping
Looking to improve your exhaust tone without breaking the bank? We have developed this free-flowing stainless resonator delete pipe for increased exhaust flow by reducing back pressure, resulting in more power. Best of all, it has a great tone that is aggressive when you want it to be, but pleasant and civilized under normal driving conditions. This Resonator Delete Kit replaces the stock center section and is constructed out of stainless steel for the quality and performance you'd expect from your BMW.
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B48 Valved Axle-Back Exhaust - F30/F31/F32/F33/F36
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:28171556
Part#: 048013LA07KT
In Stock
Sale - Save 15% $ 635.97

This product was last offered at the strikethrough price on
06-14-2026

$ 540.57 USD
Free Shipping on orders $49 and up
Sale - Save 15%
$ 635.97

This product was last offered at the strikethrough price on
06-14-2026

$ 540.57 USD
Free Shipping on orders $49 and up

Presenting our Turner Motorsport Performance Cat-Back Exhaust, tailor-made for your 4-cylinder F Chassis. Immerse yourself in an enhanced driving adventure as this meticulously engineered exhaust takes your B48-equipped car to exhilarating new heights. With an unwavering commitment to performance and quality, the Turner exhaust is crafted to unlock the full potential of your F chassis.

Experience a symphony of performance and sound, coupled with a visual upgrade through the quad exit exhaust tips that amplify the motorsport essence of your vehicle. Elevate your driving encounters with the Turner Motorsport axle-back exhaust - unleash the power, reveal the glorious sound, and capture attention wherever you go.

Incorporating their distinctive design principles, this exhaust produces a commanding, deep tone, revealing the bold personality of the revolutionary line of 4-cylinder turbo engines. Leveraging the factory valve control, the Turner axle-back ensures an exciting sound during acceleration, seamlessly blending the high-performance sound with daily driving convenience. Crafted from 1.25mm wall T304 stainless steel, Turner's exhaust boasts superior durability, corrosion resistance, and aesthetic appeal.

Designed with the customer in mind, the installation is a breeze, featuring a straight-forward slip joint and mounting locations. Your exhaust system includes all the necessary clamps and hardware for a hassle-free installation. Upgrade your f chassis with the Turner Motorsport axle-back and let every drive become a statement of power and style.

Upgrading the sound:

This exhaust allows you to turn up the volume and let the 4 cylinder boast its smooth and hearty exhaust tone. Let's be honest, what's the point of owning a f chassis if you're not going to upgrade the exhaust? Turner's signature muffler design allows you to transfer the exhaust valve from your factory system directly onto your new Turner system. The Turner exhaust signature muffler design allows for two flow paths that change both tone and volume. With the vehicle in eco or comfort mode, the valves remain closed, with the closed valves the exhaust system allows the gasses to flow through the muffler toning down the volume and giving a more refined exhaust note. While in driving modes sport or sport+ the valve opens and the flow path changes to a "straight flow path" essentially turning into a straight-piped exhaust for the least amount of restriction and the most amount of B48 sound!

Features and Benefits:

Street/Motorsport inspiration
Controlled by factory valves
Pronounced dual 3.0" Exhaust tip options
Kit Contents:​

Valved rear muffler
Valve extension harness
Clamps and hardware for installation
Single to dual 3.0" exhaust tips
Part Design:

Turner In-house designed and engineered using FARO ARM laser scanning technology and SolidWorks 3D CAD modeling for precision fitment.
T304 Stainless Material in a natural finish - 1.25mm wall thickness, back purged and TIG-welded throughout
T304 Stainless Steel 12mm barbed exhaust hangers Tig-Welded in OE locations for precise fitment.​
Slip joints provide the most adjustability to obtain perfect fitment

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Turner Muffler Delete - F3x N55
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:4374139
Part#: 008727LA01
In Stock
Sale - Save 25% $ 407.99

This product was last offered at the strikethrough price on
06-14-2026

$ 305.99 USD
Free Shipping
Sale - Save 25%
$ 407.99

This product was last offered at the strikethrough price on
06-14-2026

$ 305.99 USD
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Ditch your factory muffler, and let your N55 roar. Direct fit, simple DIY install.
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ECS Remote Exhaust Vacuum Pump & Valve Controller Kit
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:44292216
Part#: 004788LA01
In Stock
Sale - Save 10% $ 100.99

This product was last offered at the strikethrough price on
06-14-2026

$ 90.89 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 100.99

This product was last offered at the strikethrough price on
06-14-2026

$ 90.89 USD
Free Shipping on orders $49 and up

Engineered for vehicles with vacuum-actuated exhaust valves, the ECS Remote Vacuum Exhaust Valve Control Kit puts you in complete command of your exhaust sound. This fully standalone system lets you open or close your valves instantly—no reliance on factory controls, drive modes, or complicated wiring.

At its heart is a self-contained vacuum pump and dedicated control module, operating entirely independent of your vehicle’s electronics. The result is broad compatibility with both OEM and aftermarket exhaust systems, allowing for the freedom to switch between aggressive performance sounds and a refined, quiet tone at the touch of a button.

Kit Includes:

Standalone Vacuum Pump – Delivers consistent vacuum for reliable valve function

Wiring Harness Options – Choose from a reversible cigarette lighter power adapter or a length of wire for custom hardwiring

High-Quality Vacuum Hose – Durable, leak-resistant construction for long-lasting performance

Remote Controllers – Compact fobs for easy operation from inside or outside the vehicle

Features:

Instant open/close control for exhaust valves

Operates completely independent of factory electronics

Universal compatibility with vacuum-actuated valve systems

Ideal for both aftermarket and factory exhaust setups

From stealthy early-morning starts to unleashing your exhaust’s full roar on demand, the ECS Remote Vacuum Exhaust Valve Control Kit gives you total control over your car’s voice—whenever and wherever you want it.

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Muffler Delete Kit - F30 340i, F32/F33 440i
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:50381428
Part#: 055852LA01KT
Ships on Nov 30, 2026
Sale - Save 15% $ 407.99

This product was last offered at the strikethrough price on
06-14-2026

$ 346.79 USD
Free Shipping
Sale - Save 15%
$ 407.99

This product was last offered at the strikethrough price on
06-14-2026

$ 346.79 USD
Free Shipping

Let's be honest—what's the point of owning a B58-equipped BMW if you can't hear it? The F30 340i and F32/F33 440i feature a bulky, suitcase-style rear muffler assembly that muzzles the B58's turbocharged symphony. While cat-back exhaust systems can be a serious investment, our new muffler delete kit offers a cost-effective alternative that delivers all the sound, style, and performance your BMW deserves.

Our system completely transforms the character of your F3X by replacing the restrictive rear muffler with a high-flowing, TIG-welded stainless steel setup that enhances tone, reduces weight, and maintains factory fitment and finish. The Turner Motorsport Muffler Delete Kit features dual 80mm primary tubing that transitions to adjustable 100mm tip sections for a clean yet aggressive look. Up front, the muffler delete kit attaches to the OEM mid-pipe using factory-style sleeve clamps. The connecting pipe is installed at a factory cut location, creating an easy and reversible modification. At the rear, the included sleeve clamps enable easy adjustment and precise tip placement inside the factory rear diffuser.

Features & Benefits:

TIG-welded dual 80mm primary tubing seamlessly transitions to adjustable, twin slash-cut 100mm tip sections, delivering a bold, refined appearance Straightforward cut-and-clamp installation, 100% reversible Sleeve clamps provide full adjustability for effortless alignment and precise tip positioning Utilizes factory exhaust hangers for a clean, bolt-on installation—no cutting or drilling required Installation & Support:

- Click HERE for Installation Instructions -

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Turner Motorsport - Corporate Logo
T#:11955489
Part#: 008727LA01A
In Stock
Sale - Save 25% $ 407.99

This product was last offered at the strikethrough price on
06-14-2026

Starting at $ 305.99 USD
Free Shipping
Sale - Save 25%
$ 407.99

This product was last offered at the strikethrough price on
06-14-2026

Starting at $ 305.99 USD
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Muffler deleted N55-powered BMWs are known to spark the interest of enthusiasts everywhere; the F3x chassis is no different. Turner Motorsport's line of muffler deletes offers quality fit and finish that will outlast the aluminized piping from your local exhaust shop. Turner CAD designed the F3x N55 muffler delete in-house, ensuring that each unit has integrated hangers and is mandrel bent to precisely fit in the factory exhaust location. Not a fan of the turndown? There's a cut line to add optional aftermarket tips Coupled with our Schwaben Exhaust Pipe Cutter, this muffler delete can easily be installed in your garage.

Turner Muffler Delete Kit removes the heavy and restrictive factory exhaust muffler and replaces it with a high flow, straight-through exhaust pipe. This adds a louder exhaust note in a simple, cost effective way without replacing the entire exhaust system and is fully compatible with the OEM rear valance. The muffler delete creates a noticeable increase in exhaust sound and more exhilarating turbo noise, without adding significant drone at cruising speeds. As an added bonus, our muffler delete shaves off 17.0 lbs. , weighing in at only 8.0 lbs compared to OEM muffler at 25.0 lbs!

PART DESIGN

TIG Welded, brushed finish, 304 stainless steel 70mm x 1.25 wall thickness tubing for straight-through exhaust gas routing
Mandrel bent to fit the OE exhaust location
Integrated hanger for a direct fit
Includes stainless steel exhaust clamp for the inlet location for a secure fit
​Flared inlet slips over the OEM exhaust tubing for a simple installation
Slightly larger cross sectional area for increased flow capability
​

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VRSF - Corporate Logo
T#:584901
Part#: 10582020
In Stock
$ 479.99 USD
Free Shipping
$ 479.99 USD
Free Shipping
Reduce back-pressure by upgrading the restrictive catalytic converter in the factory downpipe. Expect an increase in power as well as a more aggressive exhaust tone. This downpipe is handcrafted from 4.5" 304-grade stainless steel with smooth radius bends to decrease turbulence and flow. VRSF offers high-quality products at an exceptional value, including a 1-year limited warranty.
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Turner Motorsport - Corporate Logo
T#:587358
Part#: TMS24SPKT
In Stock
Sale - Save 25% $ 42.99

This product was last offered at the strikethrough price on
06-14-2026

$ 32.24 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 42.99

This product was last offered at the strikethrough price on
06-14-2026

$ 32.24 USD
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Rust can turn your exhaust system into useless scrap metal in a short period of time if you don't start with the right materials. Ensure your custom exhaust lasts as long as possible with this T304 stainless steel universal exhaust pipe! PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features an attractive brushed finish 2.50" outside diameter (OD) 1.5mm (.060") wall thickness tubing for durability Overall Length (OAL) is approximately 24.00"
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B46/B48 Center Muffler and Resonator Delete - F30/F32/F33/F36 ...
For Vehicles Equipped with an Automatic Transmission (S205A)
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:26005185
Part#: 048013LA05KT
In Stock
Sale - Save 5% $ 457.99

This product was last offered at the strikethrough price on
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$ 435.09 USD
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$ 457.99

This product was last offered at the strikethrough price on
06-14-2026

$ 435.09 USD

Upgrade your F chassis with the B46/B48 3" Center Muffler and Resonator Delete for a deeper, more liberating exhaust tone. This modification offers a direct swap for the factory center exhaust section, effectively enhancing both sound and performance.

Experience a distinct shift in exhaust tone, accompanied by improved flow efficiency and the elimination of factory exhaust bottlenecks. The Turner Motorsport B46/B48 Resonator Delete replaces the cumbersome factory center muffler and resonator with lightweight, high-flow T304 stainless steel 3.0" exhaust tubing.

Not only does this upgrade deliver a more pronounced exhaust note, but it also contributes to a smoother flow path, reducing restrictions and enhancing overall performance. Plus, shedding approximately 6 lbs, this mid-pipe replacement offers a practical, cost-effective solution for those seeking an enhanced driving experience without the need to replace the entire exhaust system. Fully compatible with both the front downpipe and rear muffler, it's a seamless addition to your vehicle's setup.

Features and benefits:

Enhanced exhaust tone
Simple installation (with instructions!)
6lb weight savings! (Removes center muffler and center resonator)
Good looking and durable 304 stainless steel construction
Heavy-duty fabricated sheet metal exhaust hangers
Direct bolt-on to the factory downpipe
Includes factory front clamp and rear sleeve clamp for full installation
Kit Includes:

Front exhaust section
Mid-pipe exhaust Section
Factory downpipe exhaust clamp
Rear muffler sleeve clamp
Installation and Support:

Installation is as easy as cutting, placing into position, and clamping!
Tools you might want for the job:
Exhaust hanger removal pliers - T379176
Exhaust pipe cutter - T38545

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Prosport Performance - Corporate Logo
T#:385019
Part#: HEA-WRAPKIT-50
In Stock
$ 49.99 USD
Free Shipping on orders $49 and up
Constructed for durability with a tight weave, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility. Fiberglass is rated for 1200 degrees, however, this titanium wrap can withstand 1800 degrees!
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ECS Vacuum-Actuated Exhaust Cutout Kit - Single
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:578024
Part#: 020923ECS01
In Stock
Sale - Save 5% $ 135.99

This product was last offered at the strikethrough price on
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Starting at $ 129.19 USD
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$ 135.99

This product was last offered at the strikethrough price on
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Starting at $ 129.19 USD
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If you've been shopping for a freer-flowing, louder exhaust system to enhance power and sound but are concerned about all the drawbacks, the ECS Vacuum-Actuated Exhaust Cutout is the perfect solution to have it all!
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ARM Motorsports - Corporate Logo
T#:35087383
Part#: B58MID3
In Stock
$ 547.00 USD
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$ 547.00 USD
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The ARM 340i Midpipe elevates the sound of your B58, delivering the aggressive exhaust note you've been looking for in a tuned B58-powered BMW. Engineered to boost both power and sound, this midpipe eliminates the two central resonators found in the stock 340i setup. Retaining the OEM muffler allows you to control the exhaust volume—engage Sport Plus mode to unleash the full roar of the upgraded B58, or switch to Comfort mode for a quieter drive through the neighborhood.
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2.5" Stainless Steel 3-Bolt Flange - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:28637313
Part#: 028092ECS05AKT
In Stock
Sale - Save 25% $ 36.99

This product was last offered at the strikethrough price on
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$ 27.74 USD
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$ 36.99

This product was last offered at the strikethrough price on
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$ 27.74 USD
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Upgrade your exhaust system with the 2.5" Stainless Steel 3-Bolt Flange - Priced Each. This high-quality flange is designed to provide a durable and reliable connection for your exhaust components. Made from stainless steel, it offers corrosion resistance and longevity, ensuring a lasting performance. Whether you're repairing or customizing your exhaust system, this flange is an essential component for a secure fit.

  • Durable stainless steel construction
  • Corrosion-resistant for long-lasting performance
  • Provides a reliable connection for exhaust components
  • Suitable for repair or customization of exhaust systems
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Vibrant Performance - Corporate Logo
T#:23020135
Part#: 17970
In Stock at Vendor
$ 137.99 USD
Free Shipping on orders $49 and up

Experience Enhanced Exhaust Sound Control with Vibrant Performance Bottle-Style Resonators

Vibrant Performance introduces their Bottle-Style resonators engineered with an authentic straight-through perforated core enveloped in premium multi-layer sound suppression materials. These resonators adeptly mitigate exhaust noise while maintaining unrestricted exhaust flow. Crafted from high-quality T304 stainless steel, Vibrant Performance offers a range of applications, ensuring a perfect fit for various vehicle models.

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Magnaflow - Corporate Logo
T#:371600
Part#: 14851
Ships in 1 Business Day
$ 269.00 USD
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$ 269.00 USD
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Enhance your BMW's exhaust system with the all-new Magnaflow Universal Muffler, available at an exceptionally affordable price point. Say goodbye to noisy and inefficient mufflers with this high-performance solution.

The Race Series muffler is meticulously designed for uncompromising performance, delivering an aggressive racecar-inspired sound. Its genuine straight-through design ensures the utmost high RPM power, while the 2.5" or 3" perforated core effectively eliminates backpressure, optimizing exhaust flow.

This muffler stands as the ideal choice for dedicated racers, turbocharged engines, nitrous oxide fuel systems, or vehicles equipped with wild cam applications. It boasts a 2.25" inlet, a 24" overall length, and a 4" diameter round, angle-cut tip.

Kindly note that this muffler is of universal fit for rear exhaust and may necessitate welding or fabrication for installation, as it is not a direct bolt-on component for any specific vehicle.

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Active Autowerke - Corporate Logo
T#:40004859
Part#: 11-062A
Ships in 10 Business Days
5% off MSRP $ 1,199.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,139.99 USD
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5% off MSRP
$ 1,199.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,139.99 USD
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For over 30 years, Active Autowerke has been the one to turn to for high quality BMW performance products. Committed to enhancing the performance of BMWs through the highest quality products is what Active Autowerke is all about. The F Chassis B58 downpipes are strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory downpipes – therefore reducing radiant heat and increasing performance. Features Include: NO CEL for catalytic efficiency when using this downpipe Active EPA registered high flow and fully OBD2 compliant Casted upper stainless steel V-Band for precise fitment 4.50" diameter piping allows for maximum power output Quicker turbo spool Rated for up to 800 hp applications Withstands up to 1500 F Can reach operational efficiency within 9 seconds of startup Easily bolts-on no cutting or welding required Durable construction from TIG welded 304 stainless steel Precise fitment Ultra high flow 400 cell per square inch catalyst EPA compliant for use on OBD2 vehicles (1996 and newer) except in California 304 stainless steel substrate is furnace braised to the mantle for outstanding durability Active proprietary precious metal loading technology ensures greatly reduced emissions Ideal for Forced Induction Applications with no loss of HP Both passengers and drivers are safe from harmful emissions and noise Covered by 5-Year / 50,000 Mile Warranty (on shell and tube ends) and 2-Year / 25,000 Mile Warranty on the Catalytic core to original purchaser only - NOTE: warranty will be null and void if your car has excessive burble (greater than stock) as that physically destroys the catalytic core Made in Miami, Florida
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Prosport Performance - Corporate Logo
T#:385025
Part#: HEA-WRAPKIT-25
Ships in 2 Business Days
$ 29.99 USD
Free Shipping on orders $49 and up

Constructed for durability with a tight weave, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility. Fiberglass is rated for 1200 degrees, however, this titanium wrap can withstand 1800 degrees! 

Key Features:

  • 2" wide x 1/16" thick
  • Durable, tightly woven, 100% fiberglass
  • Reduce under hood temperatures
  • Protect other engine components
  • Protect your hands/arms from burns
  • Each roll comes with 5 FREE, 14" long stainless steel zip ties
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Prosport Performance - Corporate Logo
T#:385020
Part#: HEA-GWRAP-15
Back Ordered
$ 33.99 USD
Free Shipping on orders $49 and up
Constructed of laminated light-weight glass cloth, this gold reflective heat tape is designed to reflect 80% of radiant heat. With excellent pliability, this tape is easy to install. It's as simple as peel and stick.
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Active Autowerke - Corporate Logo
T#:638600
Part#: 11-062
In Stock
5% off MSRP $ 1,499.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,424.99 USD
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5% off MSRP
$ 1,499.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,424.99 USD
Free Shipping
For over 30 years, Active Autowerke has been the one to turn to for high quality BMW performance products. Committed to enhancing the performance of BMWs through the highest quality products is what Active Autowerke is all about. The F Chassis B58 downpipes are strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory downpipes – therefore reducing radiant heat and increasing performance. Features Include NO CEL when using this downpipe GESI EPA registered high flow and fully OBD2 compliant Casted upper stainless steel V-Band for precise fitment 4.50" diameter piping allows for maximum power output Quicker turbo spool Rated for 500 to 850 hp applications Withstands up to 1500° F Can reach operational efficiency within 9 seconds of startup Easily bolts-on – no cutting or welding required Durable construction from TIG welded 304 stainless steel Precise fitment Ultra high flow 400 cell per square inch catalyst EPA certified for use on OBD2 vehicles (1996 and newer) except in California 304 stainless steel substrate is furnace braised to the mantle for outstanding durability GESi® proprietary precious metal loading technology ensures greatly reduced emissions Ideal for Forced Induction Applications with no loss of HP Both passengers and drivers are safe from harmful emissions and noise Covered by 5-Year / 50,000 Mile Warranty (on shell and tube ends) and 2 year / 25,000 Mile Warranty on the Catalytic core to original purchaser only - NOTE: warranty will be null and void if your car has excessive burble (greater than stock) as that physically destroys the catalytic core Made in Miami, Florida
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Universal Exhaust Pipe Reducer - 3" OD To 60mm ID
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:587351
Part#: TMS3060ER2KT
In Stock
Sale - Save 25% $ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD
Free Shipping on orders $49 and up
Connect your differently sized exhaust pipes quick and easy with this T304 stainless steel exhaust pipe reducer. PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features a raw finish 3.0" OD (Butt) To 60mm ID (slip) connections 1.5mm (.060") wall thickness tubing for durability Length on 60mm ID side - 2.25" Length on 3.0" OD side - 3.50"
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Dinan Heavy Duty Exhaust Band Clamp - 2.75" (70mm)
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Dinan - Corporate Logo
T#:38688901
Part#: D662-9228
In Stock
Sale - Save 13% $ 21.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 19.14 USD
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Sale - Save 13%
$ 21.99

This product was last offered at the strikethrough price on
09-29-2026

$ 19.14 USD
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Perfect for the do-it-yourself customer looking for a band clamp that allows for a 360º pressure connection, this clamp fits the build. Created from stainless steel, the clamp allows for connecting to 70mm (2.75") via a swedged pipe, and provides even clamping pressure and seal around the entire pipe. This makes for a simple install, or a quick removal should the need arise.
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CTS - Corporate Logo
T#:27472196
Part#: CTS-EXHDP0023CAT
Ships in 8 Business Days
$ 379.99 USD
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$ 379.99 USD
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Unleash the full potential of your BMW N55 (Electric Wastegate) with the CTS Turbo High-flow Cat, meticulously designed to optimize exhaust flow and deliver unmatched power gains. Bid farewell to factory constraints and welcome superior performance and enhanced sound!

Utilizing advanced CAD technology, this component seamlessly replaces your factory downpipe, ensuring a precise fit. Crafted from robust T304 stainless steel and expertly hand TIG welded with back purging, it ensures long-lasting and dependable performance.

Highlighted Features:

Precision-designed and rigorously tested for peak performance T304 stainless steel construction with TIG welded back-purged joints Direct replacement for the restrictive factory downpipe Substantial power increase without sacrificing performance Creates an exhilarating sporty exhaust sound while maintaining a refined tone during normal driving Eliminates drone typically found with factory exhaust setups Elevate your BMW N55's performance and sound with the CTS Turbo High-flow Cat, engineered for exceptional quality and outstanding performance on the road.

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Magnaflow - Corporate Logo
T#:20155636
Part#: 14816
In Stock
$ 358.00 USD
Free Shipping on orders $49 and up

Enhance Your BMW with the Magnaflow Universal Muffler

Looking for an affordable way to replace your BMW's muffler and transform its exhaust note? Your search ends here! The brand-new Magnaflow Universal Muffler is your budget-friendly solution, designed to elevate your BMW's sound and style.

Key Features:

  • Budget-Friendly: The Magnaflow Universal Muffler is the go-to choice for budget-conscious BMW owners seeking an economical way to enhance their vehicle's sound.
  • Enhanced Sound: This muffler delivers an improved exhaust note, creating a deeper, more attractive tone that will make your BMW stand out from the crowd.
  • Universal Fit: With its universal fit, it is compatible with a range of BMW models, ensuring a seamless installation process.
  • Quality Construction: Crafted from durable materials, this muffler is built to last, providing long-term performance and value.
  • Turner Motorsport Approved: Endorsed by Turner Motorsport, a renowned name in the BMW community, you can trust this muffler to meet your expectations for quality and performance.

Say goodbye to that noisy ride and give your BMW the sound it deserves with the Magnaflow Universal Muffler. Upgrade today!

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Bav Auto Oxygen Sensor Tool - Angled Handle - 7/8"
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580382
Part#: B8800066
Ships in 1 Business Day
Sale - Save 25% $ 49.99

This product was last offered at the strikethrough price on
05-03-2026

$ 37.49 USD
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Sale - Save 25%
$ 49.99

This product was last offered at the strikethrough price on
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$ 37.49 USD
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Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. Fits all Oxygen sensors with 7/8in (22mm) hex.

Active Autowerke - Corporate Logo
T#:599319
Part#: 11-040-C
In Stock
$ 1,424.99 USD
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$ 1,424.99 USD
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BMW introduced a new valvetronic, single turbo version of its direct-injection engine for the F-Chassis models beginning in 2012. The Active Autowerke N55 downpipe for the M235i, 335i, 435i and M2 helps unleash some of the potential that is restricted by the OEM downpipe. Turbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better. Unfortunately, the factory down pipe in the N55 is quite restrictive, which results in slower exhaust gases and slower turbo spool. The Active Autowerke F-Chassis N55 Signature down pipe utilizes 3.5” diameter stainless steel piping in order to provide more power, quicker spool, and extreme durability. This variant includes a 4.5" high flow GESI catalytic converter that will NOT produce a CEL! The GESi® G-Sport Ultra High Output Catalytic Converter features full 304 stainless steel construction, including the substrate. GESi® UHO-Series Catalytic Converters are EPA certified in 49 states and fully OBD2 compliant. GESi® proprietary precious metal loading technology ensures greatly reduced emissions, eliminating most "Check Engine Lights". These high flow catalytic converters outperform stock converters and provide a reliable solution to the most common catalytic converter problems. The GESi® UHO-Series Catalytic Converters are rated for engines putting out between 500 and 850 horsepower while maintaining a high flow capacity. The reduced back-pressure from this high flow catalytic converter will allow you to maximize your engines horsepower without the harmful emissions. Say goodbye to Check Engine Lights and failed emissions tests! Please Note: These catalytic converters are not legal for use on vehicles registered in the state of California as a result of California Vehicle Code Section 27156 and 38391.
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Stainless Steel V-Band Clamp - 2.5"
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:587344
Part#: TMS25VBKT
In Stock
Sale - Save 25% $ 49.99

This product was last offered at the strikethrough price on
06-14-2026

$ 37.49 USD
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Sale - Save 25%
$ 49.99

This product was last offered at the strikethrough price on
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$ 37.49 USD
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Ensure you are building your custom exhaust system with only the best! This V-Band Clamp is made completely of T304 stainless steel for high strength and corrosion resistance and comes with zinc-coated hardware. PART DESIGN Weld Rings are made from T304 Stainless Steel for corrosion resistance Weld Rings are 2.5" inside diameter (ID) to slip over a 2.5" OD tube Weld Rings feature a unique "centering ring" on the ID to aid in the alignment of assembly V-Band clamp is T304 Stainless Steel Securing hardware is Zinc-coated steel with high-temp poly. lock nut INSTALLATION AND SUPPORT These are universal parts, meaning they have no direct fitment to any particular vehicle. Custom welding and fabrication is required. Special prep/clean procedures must be adhered to for proper welding.
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Universal Stainless Steel 90 Degree Pipe - 3.0" OD
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:587361
Part#: TMS3090PKT
In Stock
Sale - Save 15% $ 40.99

This product was last offered at the strikethrough price on
05-03-2026

$ 34.85 USD
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Sale - Save 15%
$ 40.99

This product was last offered at the strikethrough price on
05-03-2026

$ 34.85 USD
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Rust can turn your exhaust system into useless scrap metal in a short period of time if you don't start with the right materials. Ensure your custom exhaust lasts as long as possible with this T304 stainless steel universal exhaust pipe! PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features an attractive brushed finish 3.0" outside diameter (OD) 1.5mm (.060") wall thickness tubing for durability Minimum Leg Length - 8.25" Bend Radius - 4.75" @ 90° angle
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CTS - Corporate Logo
T#:18932307
Part#: EXH-DP-0037-CAT
Ships in 8 Business Days
$ 429.99 USD
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$ 429.99 USD
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The CTS Turbo High-Flow Cat for the BMW B46 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential! Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance. Product Details: Precisely designed and tested on a real car in the real world T304 stainless steel, TIG welded back-purged construction Replaces restrictive factory downpipe with high-flow 200 cell catalytic converter Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust The use of stage 2 software is strongly recommended to avoid the CEL from coming on.
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Valvetronic Designs - Corporate Logo
T#:53149938
Part#: VTD.YPIPE.63MM
Back Ordered
New Item
$ 40.99 USD
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$ 40.99 USD
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Perfect for when you need to connect a single muffler to dual piping or add two tips to your single muffler!
Bav Auto Tools - Corporate Logo
T#:580383
Part#: B8800067
Ships in 1 Business Day
Sale - Save 20% $ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD
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Sale - Save 20%
$ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD
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This 1/2" Drive, 7/8" x 6" Extra Long O2 sensor tool is used to remove difficult to reach oxygen sensors.

Downpipe To Catback Reducer - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:587348
Part#: 008709ECS03A
Ships on Feb 18, 2027
$ 39.99 USD
Free Shipping on orders $49 and up

Embark on your custom exhaust project confidently with the ECS Tuning Universal Exhaust catalog, offering quality and price-friendly options. Crafted from T304 Stainless Steel for corrosion resistance, these items feature premium benefits akin to our In-House Engineered Exhaust Systems. With a 3.0" ID (Slip fit) X 65mm OD (Butt) connections, 1.5mm (.060") wall thickness tubing ensures durability. Length on the 65mm OD side is 2.25" while on the 3.0" ID side is 3.50". Ideal for fabricating your unique exhaust system, these universal parts guarantee top-tier quality and longevity.

Benefits:

  • Crafted from T304 Stainless Steel for corrosion resistance
  • Features premium benefits akin to In-House Engineered Exhaust Systems
  • Durable construction with 1.5mm (.060") wall thickness tubing
  • Ideal for fabricating custom exhaust projects
  • Ensures top-tier quality and longevity
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2.5" OD Stainless Steel "U-J Bend" - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:22756729
Part#: 028092ECS03AKT
In Stock
Sale - Save 5% $ 46.99

This product was last offered at the strikethrough price on
06-14-2026

$ 44.64 USD
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Sale - Save 5%
$ 46.99

This product was last offered at the strikethrough price on
06-14-2026

$ 44.64 USD
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2.5" OD Stainless Steel "U-J Bend"

Revamp your BMW's exhaust system with the 2.5" OD Stainless Steel "U-J Bend". This high-quality "U-J Bend" is specifically designed for BMW vehicles, offering several advantages for improved exhaust performance and durability. Engineered with precision and quality in mind, it provides:

  • Durable stainless steel construction ensures longevity and reliability
  • "U-J Bend" design facilitates smooth exhaust flow
  • Easy installation with a 2.5" outer diameter
  • Compatible with various BMW models

Upgrade your BMW's exhaust system with this stainless steel "U-J Bend".

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Stainless Steel V-Band Clamp - 3.0"
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:587341
Part#: TMS30VBKT
In Stock
$ 54.99 USD
Free Shipping on orders $49 and up
Ensure you are building your custom exhaust system with only the best! This V-Band Clamp is made completely of T304 stainless steel for high strength and corrosion resistance and comes with zinc-coated hardware. PART DESIGN Weld Rings are made from T304 Stainless Steel for corrosion resistance Weld Rings are 3.0" inside diameter (ID) to slip over a 3.0" OD tube Weld Rings feature a unique "centering ring" on the ID to aid in the alignment of assembly V-Band clamp is T304 Stainless Steel Securing hardware is Zinc-coated steel with high-temp poly. lock nut ​INSTALLATION AND SUPPORT These are universal parts, meaning they have no direct fitment to any particular vehicle. Custom welding and fabrication is required. Special prep/clean procedures must be adhered to for proper welding.
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ECS - Corporate Logo
T#:21209855
Part#: 044081LA01
In Stock
Sale - Save 12% $ 259.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 227.53 USD
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Sale - Save 12%
$ 259.99

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 227.53 USD
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Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
Universal Stainless Steel J-Pipe - 2.5" OD
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:587362
Part#: TMS25JPKT
In Stock
Sale - Save 5% $ 46.99

This product was last offered at the strikethrough price on
06-14-2026

$ 44.64 USD
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Sale - Save 5%
$ 46.99

This product was last offered at the strikethrough price on
06-14-2026

$ 44.64 USD
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Rust can turn your exhaust system into useless scrap metal in a short period of time if you don't start with the right materials. Ensure your custom exhaust lasts as long as possible with this T304 stainless steel universal exhaust pipe! PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features an attractive brushed finish 2.5" outside diameter (OD) 1.5mm (.060") wall thickness tubing for durability U-Bend Centerline Radius - 3.50" @ 180° angle Leg Length "A" - 5.0" Leg Length "B" - 5.50" Leg Length "C" - 7.0"
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Universal Exhaust Pipe Reducer - 3" ID To 65mm OD
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:587349
Part#: TMS3065ERKT
Ships on Feb 18, 2027
Sale - Save 25% $ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD
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Sale - Save 25%
$ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD
Free Shipping on orders $49 and up
Connect your differently sized exhaust pipes quick and easy with this T304 stainless steel exhaust pipe reducer. PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features a raw finish 3.0" ID (Slip fit) X 65mm OD (Butt) connections 1.5mm (.060") wall thickness tubing for durability Length on 65mm OD side - 2.25" Length on 3.0" ID side - 3.50"
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Active Autowerke - Corporate Logo
T#:5886981
Part#: 11-079
Ships in 3 Business Days
$ 1,424.99 USD
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$ 1,424.99 USD
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The Active Autowerke F-Chassis N20 Signature down pipe utilizes 3.5 diameter stainless steel piping in order to provide more power, quicker spool, and extreme durability. The GESi UHO-Series Catalytic Converters are rated for engines putting out between 500 and 850 horsepower while maintaining a high flow capacity. The reduced back-pressure from this high flow catalytic converter will allow you to maximize your engines horsepower without the harmful emissions. Say goodbye to Check Engine Lights and failed emissions tests! Features: NO CEL when using this downpipe Designed to be as unrestrictive as possible GESI EPA registered high flow and fully OBD2 compliant High flow 4" GESI cat with 3.50" piping allows for maximum power output Quicker turbo spool - improved power over stock Rated for 350 to 500 hp applications Withstands up to 1500 F Can reach operational efficiency within 9 seconds of startup Easily bolts-on no cutting or welding required Durable construction from TIG welded 304 stainless steel Precise fitment Modular design for later upgrades Made in Miami, Florida Ultra high flow 400 cell per square inch catalyst EPA compliant for use on OBD2 vehicles (1996 and newer) except in California Full 304 stainless steel construction 304 stainless steel substrate in the catalytic converter is furnace braised to the mantle for outstanding durability GESi proprietary precious metal loading technology ensures greatly reduced emissions Covered by 5 Year / 50,000 Mile Warranty (on catalytic converter) Ideal for Forced Induction Applications with no loss of HP Both passengers and drivers are safe from harmful emissions and noise ACTIVE AUTOWERKE N20 SIGNATURE DOWNPIPE BENEFITS The speed of a turbo's impeller wheel is limited by exhaust back pressure. A larger down pipe relieves some of this pressure, resulting in quicker and more efficient spool. With Active Autowerke's Signature downpipe, your N20 can rev quicker, and deliver more horsepower and torque. Minimizing back pressure while remaining daily drive-ability was the goal of our N20 downpipe. Owners can now upgrade to a product that is affordable, reliable, and easy to install. After months of research and development, our engineers settled on a 3.5 diameter pipe which utilizes the least number of bends possible. However, the Signature N20 down pipe still fits easily into the OEM location, with a painless installation process. Constructed entirely from 304 stainless steel with 1.5MM wall thickness, we are confident that you'll be pleased with how robust and durable this down pipe is. Trouble-free installation and a long lifespan ensure that you'll enjoy many miles of performance with your N20!
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Universal Exhaust Pipe Reducer - 3" ID To 60mm OD
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Turner Motorsport - Corporate Logo
T#:587350
Part#: TMS3060ER1KT
In Stock
Sale - Save 25% $ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 39.99

This product was last offered at the strikethrough price on
06-14-2026

$ 29.99 USD
Free Shipping on orders $49 and up
Connect your differently sized exhaust pipes quick and easy with this T304 stainless steel exhaust pipe reducer. PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features a raw finish 3.0" ID (Slip) To 60mm OD (Butt) connections 1.5mm (.060") wall thickness tubing for durability Length on 60mm OD side - 2.25" Length on 3.0" ID side - 3.50"
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Universal Stainless Steel J-Pipe - 3.0" OD
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:587363
Part#: TMS30JPKT
Back Ordered
Sale - Save 5% $ 53.99

This product was last offered at the strikethrough price on
05-03-2026

$ 51.29 USD
Sale - Save 5%
$ 53.99

This product was last offered at the strikethrough price on
05-03-2026

$ 51.29 USD
Rust can turn your exhaust system into useless scrap metal in a short period of time if you don't start with the right materials. Ensure your custom exhaust lasts as long as possible with this T304 stainless steel universal exhaust pipe! PART DESIGN Made from T304 Stainless Steel for corrosion resistance and features an attractive brushed finish 3.0" outside diameter (OD) 1.5mm (.060") wall thickness tubing for durability U-Bend Centerline Radius - 5.0" @ 180° angle Leg Length "A" - 5.0" Leg Length "B" - 9.50" Leg Length "C" - 10.5"
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Valvetronic Designs - Corporate Logo
T#:53149959
Part#: UVM.76MM.X1
Back Ordered
New Item
$ 399.99 USD
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$ 399.99 USD
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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.
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Dinan Exhaust Valve Remote - Most BMWs 2012+
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Dinan - Corporate Logo
T#:600153
Part#: R660-0001
Ships in 3 Business Days
Sale - Save 10% $ 318.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 287.06 USD
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Sale - Save 10%
$ 318.99

This product was last offered at the strikethrough price on
09-29-2026

$ 287.06 USD
Free Shipping
The Dinan Exhaust Valve Remote lets you override the factory exhaust valve operation and fully open (or close) the valve at the press of a button. Directly compatible with 'F' and 'G' chassis BMW's using a single electronic valve as well as 3rd generation MINI's, the Dinan Exhaust Valve Remote Kit is robust in its potential applications. Once installed simply press the top button of the supplied wireless remote to open the valve fully and enjoy maximum aural pleasure. Alternatively, when the need arises for the exhaust to be as quiet as possible, press the bottom button on the remote and the valve will close. This system works with both the factory exhaust and any aftermarket system that utilizes the factory electronic exhaust valve actuator. Tested and compatible valve actuators include BMW P/N's 18307851568, 18308686640, 18308632154, and 18308623424. Features: Opens the factory electronic exhaust valve with the push of a button. Wirelessly remote controlled. Weatherproof housing. Extra length wiring harnesses for maximum application and routing versatility.
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