BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 4 Series F33 (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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Enthusiast Bundles - Corporate Logo
T#:24876349
Part#: 025817TMS13EBKT
Ships on Nov 4, 2026
Sale - Save 7% $ 3,771.98

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

$ 3,498.89 USD
Sale - Save 7%
$ 3,771.98

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

$ 3,498.89 USD

Titanium Exhaust Information

Upgrade your BMW with the Turner Motorsport Titanium Exhaust, offering increased flow, weight reduction, and enhanced sound. Shed over 55% of the OEM exhaust weight while enjoying a more aggressive tone for your N55-powered F30/F32.

Features:

  • Ultra-lightweight Gr2 Titanium Alloy Material
  • Single free-flowing 3.0" titanium exhaust pipes
  • Weight savings of 27 lbs over OEM exhaust
  • Direct fitment and straightforward installation
  • Includes Titanium Valved Muffler, Valve Adapter Harness, 3" Titanium Midpipe Sections, and 3.5" Turner Exhaust Tips

Intake Information

Enhance your BMW's engine bay aesthetics and performance with the Turner Motorsport N55 Carbon Intake. Witness significant power gains and reduced pressure drop post-filter for less stress on your turbo.

Features:

  • +7 WHP / +14 WTQ (peak gains) and +12 WHP / +15 WTQ (max gains)
  • 2x2 twill weave carbon fiber intake tube and lid
  • Wrinkle Black Powder Coated heat shield
  • High-flow reusable Turner Motorsport air filter
  • Lowers intake temperatures by 13 degrees
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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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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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VRSF - Corporate Logo
T#:584901
Part#: 10582020
In Stock
$ 479.99 USD
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$ 479.99 USD
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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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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
Free Shipping
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
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 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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Magnaflow - Corporate Logo
T#:371600
Part#: 14851
Ships in 1 Business Day
$ 269.00 USD
Free Shipping
$ 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#: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
Free Shipping
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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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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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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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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Magnaflow - Corporate Logo
T#:26005252
Part#: 13215
In Stock
$ 150.00 USD
Free Shipping on orders $49 and up
Upgrade your BMW's performance with MagnaFlow XL Mufflers, engineered to enhance horsepower while reducing unwanted resonance. The innovative design features large diameter perforated tubing and strategically placed sound baffles, creating a balanced sound profile. These mufflers utilize calibrated tuning gate openings to tune sound waves, effectively canceling out harsher noises. With stainless steel construction and a multi-chamber design, they offer optimal performance and a distinct exhaust sound.
  • Stainless steel construction
  • Multi-chamber design for increased performance
  • Chambered muffler performance sound
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Magnaflow - Corporate Logo
T#:370934
Part#: 14211
Ships in 1 Business Day
$ 174.00 USD
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$ 174.00 USD
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Upgrade your vehicle's muffler affordably with the Magnaflow Universal Muffler, providing a solution to loud exhausts without breaking the bank. Crafted from 100% stainless steel, these mufflers are built to endure extreme conditions, ensuring durability and reliability.

Key Benefits:

  • 100% stainless steel construction for robustness
  • Lap-joint welding ensures solid build quality
  • Free-flowing, straight-through design for enhanced performance
  • Stainless mesh wrap and acoustical fiber fill deliver a smooth, deep tone
  • Packed tightly for long-lasting performance without sound degradation

Features:

  • 2.5'' Inlet and Outlet
  • 14'' body length
  • 20'' overall length
  • May require welding/fabricating for fitting; not a direct fit for any specific car model
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Active Autowerke - Corporate Logo
T#:16375134
Part#: 11-115
Ships in 3 Business Days
$ 1,139.99 USD
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$ 1,139.99 USD
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True BMW performance, durability, and attractive weight advantages with innovative features place the Active Autowerke BMW F3x 335i exhaust in a class of its own. And now Active Autowerke has developed Gen 2 of this model which has been enhanced to take advantage of the OEM valve system. This system is constructed from 100% Brushed 304-stainless steel and features adjustable brushed Active Autowerke double-walled tips. And now the improved sound becomes more pronounced when the valve is opened by the ECU. Rather than creating a complete exhaust system, Active Autowerke opted for a compact design built in a smaller package to deliver more value. The Active Autowerke F3x 335i Gen 2 BMW Rear Exhaust System provides an increase in horsepower, better sound and appearance making it the choice for the avid BMW enthusiast. The system is a straight-through design providing substantial improvements to gas flow over the factory exhaust. Our innovative muffler can design provides maximum volume with the exhaust valve open for a true sport sound. This exhaust delivers a wide-open sound, a solid 15+hp boost and key gains in the midrange with the valve open while the sound comes out nonintrusive with a rich mellow tone with the valve closed. Just like replacing the BMW factory rear exhaust, the Active Autowerke BMW Performance rear exhaust does it in much the same way, if not better by using a much beefier, heavy-duty TORCA style exhaust clamp. TORCA clamps are known for their strength and sealing capabilities to make that tight seal. Other features like height-adjustable mounting tabs make this exhaust easy to install. Key Features: Large mandrel bent piping for maximum flow Uses factory valve system for maximum exhaust sound Durable, Brushed 100% 304 stainless steel for durability Double-walled signature brushed, black or carbon stainless tips Adjustable Tips with Embossed Active Autowerke Logo Improved power & torque throughout entire RPM band Gains of 12-15 HP over stock configuration Tight seal with use of TORCA style exhaust clamps Height adjustable mounting brackets make installation easy Factory curb weight 27.0 Lbs, Active 335i weighs 22.0 Lbs Fitment for Coupe, Convertible and Sedans Complete illustrated instruction manual Two-year warranty Applications: BMW F30 335i, xi (Sedan) BMW F32 435i, xi (Coupe) BMW F33 435i, xi (Convertible) BMW F36 435i (Coupe)
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BMW N26 Sports Series 4" High Flow Catted Downpipe
For vehicles with the N26 SULEV engine only - will NOT work with the N20 Engines!
Evolution Racewerks - Corporate Logo
T#:597064
Part#: BM-EXH010CAT
Ships in 8 Business Days
$ 895.00 USD
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$ 895.00 USD
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High Flow 200 Cell Metallic Catted Downpipes from Evolution Racewerks for your N26 BMW engine
Active Autowerke - Corporate Logo
T#:638760
Part#: 11-065
Ships in 10 Business Days
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
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 B46 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

3 inch 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

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 in catalytic converter is furnace braised to the mantle for outstanding durability

GESi® proprietary precious metal loading technology ensures greatly reduced emissions

Both passengers and drivers are safe from harmful emissions and noise

Precise fitment

Made in Miami, Florida

Covered by 5 Year / 50,000 Mile Warranty (on shell and tube ends)

FITMENT NOTE: For G-Chassis models (G20, G22), the cutoff build date of 08/2020 is important as cars produced after that date have a downpipe with different bracket locations. Cars with a build date of 08/2020 and earlier have the brackets in a V configuration. Cars with a build date of 09/2020 and later have the brackets in a straight line and require Active Autowerke p/n 11-065G

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Evolution Racewerks - Corporate Logo
T#:558983
Part#: BMEXH018C
Ships in 8 Business Days
Starting at $ 945.00 USD
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Starting at $ 945.00 USD
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Want to install a downpipe on your B58 equipped BMW, but still need to pass emissions? Evolution Racewerks has the answer for you with their B58 Catted downpipe. The Evolution Racewerks Competition Series Catless Downpipes is constructed from 304 stainless steel, featuring mandrel bent piping.  These are 100% TIG welded by in house fabricators and built in the USA! 

The factory turbocharger turbine housing utilizes a V-Band flange which has been duplicated and CNC machined cut out of billet 304 stainless steel. Stainless Steel CNC machined O2 sensor and laser cut brackets are TIG welded using stainless steel rods. The O2 sensor remains positioned at the factory location. Also, since Evolution Racewerks uses a larger 4.5" pipe right after the turbocharger, turbo backpressure is significantly reduced, resulting in less exhaust turbulence and backpressure which again improves throttle response and decreasing turbo lag.

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Magnaflow - Corporate Logo
T#:27938424
Part#: 52257
Back Ordered
$ 1,232.00 USD
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$ 1,232.00 USD
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Enthusiast Bundles - Corporate Logo
T#:37284805
Part#: 048027LAEBKT
In Stock
Sale - Save 46% $ 743.85

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

$ 399.00 USD
Free Shipping on orders $49 and up
Sale - Save 46%
$ 743.85

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

$ 399.00 USD
Free Shipping on orders $49 and up

B48 Muffler Delete - F30/F31/F32/F33/F36:

Arguably THE BEST modification for your N20/B48. This muffler delete sounds too good to be a 4 cylinder! The combination of N20/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 f chassis. 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 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!

YoutTube Sound Clips Featured HERE:

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 - CLICK HERE FOR INSTALLATION INSTRUCTIONS -

High-Performance Ignition Service Kit - Gen 1 B48/46 2.0L:

High performance ignition kit for your Gen 1 B46/48 featuring spark plugs, Turner high performance ignition coils and dielectric grease to make sure you have no issues at your next maintenance interval!

Our BMW ignition coils are designed with performance and efficiency in mind. An engine needs 3 main components to run (Air, Fuel, Spark.) Turner ignition coils are modified to increase energy output; more energy output results in a faster, more efficient and consistent burn to make sure your fuel is being utilized to its maximum potential. Our signature Turner ignition coils feature a blue housing that give your engine the performance and aesthetic your looking for.

Ignition coils should be changed every 40,000 - 60,000 miles and are an important maintenance item due to the essential role they play in your engines health, performance and efficiency. Choose Turner Ignition Coils to keep your engine running strong and healthy.

Features and Benefits:

Increased performance New spark plugs and grease Direct fitment Signature Turner Blue ignition coils

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VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07...
Fits N54/ N55/ N20/ N26/ S55/ B58 Engines from 2007-2016
We Price Match - Give Us A Call or Chat!
VRSF - Corporate Logo
T#:35154903
Part#: 504010
In Stock
$ 8.99 USD
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$ 8.99 USD
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This plug is a replacement for the following models: 10901020A, 10901020B, 10901020C, 10901020D, 10301050, 10101020 and any other VRSF chargepipe that utilizes a water injection bung. VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07-16 BMW N54/ N55/ N20/ N26/ S55/ B58 is a crucial component for maintaining peak performance in turbocharged BMW engines. Designed to prevent boost leaks and ensure a secure seal for methanol and water injection ports, this bung plug is crafted from premium materials for long-lasting reliability. Compatible with VRSF chargepipes, it is an ideal solution for BMW enthusiasts seeking precision and durability in their high-performance setups. Available through Turner Motorsport, this part ensures seamless integration with your BMW's engine components.

Benefits: Ensures a secure seal for methanol and water injection ports to prevent boost leaks Built from high-quality materials for superior strength and longevity Compatible with VRSF chargepipes on 07-16 BMW N54, N55, N20, N26, S55, and B58 engines Easy installation minimizes downtime and simplifies engine upgrades Maintains optimal turbo efficiency and performance in high-pressure systems The VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07-16 BMW N54/ N55/ N20/ N26/ S55/ B58 is the ultimate choice for BMW owners committed to maximizing reliability and performance.

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VRSF 4" Turbo to Downpipe Clamp - BMW
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VRSF - Corporate Logo
T#:2839845
Part#: 505040
Ships on Oct 1, 2026
$ 18.99 USD
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4" Turbo to Downpipe Clamp for 4" Downpipes


XForce - Corporate Logo
T#:28570834
Part#: VKSB01-ECU-MODUL
Ships in 2 Business Days
$ 399.00 USD
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BMW Xforce Smartbox Varex Muffler ECU Upgrade Module is the ideal choice for BMW owners seeking to enhance their vehicle's performance. This innovative module seamlessly integrates with the Varex muffler system, allowing for precise control over exhaust sound and performance. With its easy installation process and versatile functionality, it provides an elevated driving experience for BMW enthusiasts.
  • Seamless integration with Varex muffler system
  • Precise control over exhaust sound and performance
  • Easy installation process
  • Versatile functionality for enhanced driving experience
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Evolution Racewerks - Corporate Logo
T#:29267518
Part#: BM-EXH019CAT
Ships in 8 Business Days
$ 895.00 USD
Free Shipping on orders $49 and up

Crafted to enhance the exhaust flow of your B46-equipped BMW, this downpipe is equipped with a 200-cell high-flow catalytic converter and mandrel bent 4" piping. With a sleek brushed steel finish, this downpipe is constructed entirely from 100% stainless steel and TIG-welded for ultimate durability, surpassing the factory catalyst.

Key Features:

1. Elevated initial torque curve 2. Enhanced throttle response and quicker turbocharger spooling 3. Precisely CNC machined turbocharger V-band flange 4. Maintains the factory "ball-type" v-band connector 5. Compatible with both factory and aftermarket exhaust systems 6. Tested for durability on the track 7. Proudly made in the USA

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Active Autowerke - Corporate Logo
T#:50934830
Part#: 11-115B
Ships in 3 Business Days
New Item
$ 1,177.00 USD
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$ 1,177.00 USD
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True BMW performance, durability, and attractive weight advantages with innovative features place the Active Autowerke BMW F3x 335i exhaust in a class of its own. And now Active Autowerke has developed Gen 2 of this model which has been enhanced to take advantage of the OEM valve system. This system is constructed from 100% Brushed 304-stainless steel and features adjustable brushed Active Autowerke double-walled tips. And now the improved sound becomes more pronounced when the valve is opened by the ECU. Rather than creating a complete exhaust system, Active Autowerke opted for a compact design built in a smaller package to deliver more value. The Active Autowerke F3x 335i Gen 2 BMW Rear Exhaust System provides an increase in horsepower, better sound and appearance making it the choice for the avid BMW enthusiast. The system is a straight-through design providing substantial improvements to gas flow over the factory exhaust. Our innovative muffler can design provides maximum volume with the exhaust valve open for a true sport sound. This exhaust delivers a wide-open sound, a solid 15+hp boost and key gains in the midrange with the valve open while the sound comes out nonintrusive with a rich mellow tone with the valve closed. Just like replacing the BMW factory rear exhaust, the Active Autowerke BMW Performance rear exhaust does it in much the same way, if not better by using a much beefier, heavy-duty TORCA style exhaust clamp. TORCA clamps are known for their strength and sealing capabilities to make that tight seal. Other features like height-adjustable mounting tabs make this exhaust easy to install. Key Features: Large mandrel bent piping for maximum flow Uses factory valve system for maximum exhaust sound Durable, Brushed 100% 304 stainless steel for durability Double-walled signature brushed, black or carbon stainless tips Adjustable Tips with Embossed Active Autowerke Logo Improved power & torque throughout entire RPM band Gains of 12-15 HP over stock configuration Tight seal with use of TORCA style exhaust clamps Height adjustable mounting brackets make installation easy Factory curb weight 27.0 Lbs, Active 335i weighs 22.0 Lbs Fitment for Coupe, Convertible and Sedans Complete illustrated instruction manual Two-year warranty Applications: BMW F30 335i, xi (Sedan) BMW F32 435i, xi (Coupe) BMW F33 435i, xi (Convertible) BMW F36 435i (Coupe)
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Active Autowerke - Corporate Logo
T#:50934831
Part#: 11-115C
Ships in 3 Business Days
New Item
$ 1,377.00 USD
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$ 1,377.00 USD
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True BMW performance, durability, and attractive weight advantages with innovative features place the Active Autowerke BMW F3x 335i exhaust in a class of its own. And now Active Autowerke has developed Gen 2 of this model which has been enhanced to take advantage of the OEM valve system. This system is constructed from 100% Brushed 304-stainless steel and features adjustable brushed Active Autowerke double-walled tips. And now the improved sound becomes more pronounced when the valve is opened by the ECU. Rather than creating a complete exhaust system, Active Autowerke opted for a compact design built in a smaller package to deliver more value. The Active Autowerke F3x 335i Gen 2 BMW Rear Exhaust System provides an increase in horsepower, better sound and appearance making it the choice for the avid BMW enthusiast. The system is a straight-through design providing substantial improvements to gas flow over the factory exhaust. Our innovative muffler can design provides maximum volume with the exhaust valve open for a true sport sound. This exhaust delivers a wide-open sound, a solid 15+hp boost and key gains in the midrange with the valve open while the sound comes out nonintrusive with a rich mellow tone with the valve closed. Just like replacing the BMW factory rear exhaust, the Active Autowerke BMW Performance rear exhaust does it in much the same way, if not better by using a much beefier, heavy-duty TORCA style exhaust clamp. TORCA clamps are known for their strength and sealing capabilities to make that tight seal. Other features like height-adjustable mounting tabs make this exhaust easy to install. Key Features: Large mandrel bent piping for maximum flow Uses factory valve system for maximum exhaust sound Durable, Brushed 100% 304 stainless steel for durability Double-walled signature brushed, black or carbon stainless tips Adjustable Tips with Embossed Active Autowerke Logo Improved power & torque throughout entire RPM band Gains of 12-15 HP over stock configuration Tight seal with use of TORCA style exhaust clamps Height adjustable mounting brackets make installation easy Factory curb weight 27.0 Lbs, Active 335i weighs 22.0 Lbs Fitment for Coupe, Convertible and Sedans Complete illustrated instruction manual Two-year warranty Applications: BMW F30 335i, xi (Sedan) BMW F32 435i, xi (Coupe) BMW F33 435i, xi (Convertible) BMW F36 435i (Coupe)
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Enthusiast Bundles - Corporate Logo
T#:37284806
Part#: 048013LAEBKT1
In Stock
Sale - Save 7% $ 876.09

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

$ 816.59 USD
Sale - Save 7%
$ 876.09

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

$ 816.59 USD

B46/B48 Center Muffler and Resonator Delete - F30/F31/F32/F33/F36:

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 - CLICK HERE FOR INSTALLATION INSTRUCTIONS -

High-Performance Ignition Service Kit - Gen 1 B48/46 2.0L:

High performance ignition kit for your Gen 1 B46/48 featuring spark plugs, Turner high performance ignition coils and dielectric grease to make sure you have no issues at your next maintenance interval!

Our BMW ignition coils are designed with performance and efficiency in mind. An engine needs 3 main components to run (Air, Fuel, Spark.) Turner ignition coils are modified to increase energy output; more energy output results in a faster, more efficient and consistent burn to make sure your fuel is being utilized to its maximum potential. Our signature Turner ignition coils feature a blue housing that give your engine the performance and aesthetic your looking for.

Ignition coils should be changed every 40,000 - 60,000 miles and are an important maintenance item due to the essential role they play in your engines health, performance and efficiency. Choose Turner Ignition Coils to keep your engine running strong and healthy.

Features and Benefits:

Increased performance New spark plugs and grease Direct fitment Signature Turner Blue ignition coils

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VRSF - Corporate Logo
T#:42369337
Part#: 10582028
Ships in 1 Business Day
$ 579.99 USD
Free Shipping
$ 579.99 USD
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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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