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This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
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
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
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
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
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 -
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
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
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
Increase flow, turn up the volume, and shed some weight for the track. This is your chance to build your very own customized exhaust for your 335. We are excited to offer you the opportunity to spec out your exhaust just the way you want it. These exhaust components are strikingly good looking with beautiful welded pie cut construction and offer weight savings of over 55%. You can drop more than half the weight of your factory exhaust and give your car the aggressive sound it should have came optioned with from the factory.
We set out to amplify the F30/F32 with a proper exhaust system. To accomplish this goal, our engineers increased flow, give you the options to reduce weight by 27lbs, and deliver an exhaust system that captures the full unrestricted sound of the turbo inline-6 N55 engine. The increase in flow is gained from single free flowing 3.0" titanium exhaust pipes that feed into the best designed muffler on the market. Our Turner muffler is specifically designed with flow in mind to ensure that even with the exhaust valves closed, the muffler flows and sounds better than the stock muffler. Weight reduction is achieved by replacing the factory piping with lightweight Ti22 titanium and a full titanium muffler for the most weight advantage possible. The best part of the full titanium exhaust is the capability to control just how aggressive you want to your exhaust to sound, far beyond the point that the factory exhaust is able to perform. All of this plus the direct fitment and straight forward installation leads to our Turner Titanium exhaust being the clear answer in your mission to find the best exhaust for your N55 powered F30.
Part Design:
In-house designed and engineered using FARO ARM laser scanning technology and SolidWorks 3D CAD modeling for precision fitment.
Ultra-lightweight, Gr2 Titanium Alloy Material in a natural finish - 1mm wall thickness, back purged and TIG-welded throughout
3.0"OD tubing full system featuring pie-cut bend sections
Weight savings over the OEM exhaust system:
OEM Downpipe-back (without tips): 48 lbs
Turner Titanium Downpipe-back (without tips): 21 lbs
27 lb weight reduction!
Titanium 10mm barbed exhaust hangers Tig-Welded in OE locations for precise fitment.
Strategically placed slip joints provide the most adjustability to obtain perfect fitment
Lightweight Gr2 Titanium Valved Muffler Optimized for superior flow over OEM
Transform the sound profile and driving dynamics of your BMW without replacing the entire exhaust system! Engineered specifically for the N20-equipped F3X platform, this direct-fit muffler delete delivers an aggressive, sporty tone you wouldn't expect from a 4-cylinder engine.
By eliminating the restrictive factory muffler and replacing it with a high-flow, straight-through exhaust pipe, this kit unlocks an incredible surge in volume and a sporty tone. Beyond the dramatic sound upgrade, this setup drastically improves performance efficiency through massive weight savings. The high-flow straight pipe removes 21 lbs from the rear of the vehicle, dropping the total axle-back exhaust weight down to just 7 lbs. Designed for quick at-home installation, it installs using basic garage hand tools and integrates perfectly with your OEM rear valance for a clean, OEM+ aesthetic.
