BMW Mufflers

Let’s face it—an N55-equipped BMW deserves to be heard. Known for its deep, unmistakable exhaust tone, the turbocharged N55 has earned a reputation among BMW enthusiasts everywhere. While full cat-back systems can prove costly, our new Muffler Delete offers a smart, budget-friendly way to unlock that sound without compromise.

Our system replaces the bulky factory rear mufflers with a free-flowing, TIG-welded stainless steel assembly that sharpens exhaust note, trims unnecessary weight, and retains an OEM-style fit and finish. Featuring 3" main sections that splice seamlessly into your factory midpipes, our exhaust provides precise adjustability and a refined, aggressive look. Slip-fit connections mate cleanly using the included sleeve clamps, allowing perfect alignment of the tips within the stock rear diffuser. 3.5" slash-cut tips finish off the exhaust, adding a motorsport-inspired visual to match your bold new exhaust tone.

Features:

TIG-welded dual 3" primary tubing seamlessly transitions to adjustable, twin slash-cut 3.5" 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 Product Development:

Our F10 535i Muffler Delete was designed, engineered, tested, and quality inspected by our Research and Development team. We strive for 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.

BMW’s E70 might look like a practical family SUV, but underneath, it’s packing some seriously impressive hardware in the N55 and M57 engines. The downside? The factory rear muffler does a great job of hiding the sound these engines are capable of. If a full cat-back system isn’t on your list right now, Turner Motorsport’s new muffler delete is a smart, budget-friendly way to wake up your E70’s exhaust note while adding a bit more attitude and style to the rear of the vehicle.

This system completely transforms the character of your X5 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. Our Muffler Delete Kit features dual 3" primary tubing that transitions to adjustable 3.5" tip sections for a clean yet aggressive look. At the front, the muffler delete kit attaches to the OEM mid-pipe using factory-style sleeve clamps. The connecting pipe is installed at the 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

TIG-welded dual 3" primary tubing seamlessly transitions to adjustable, twin slash-cut 3.5" 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

Looking for installation tips? Look no further! We've assembled a start-to-finish installation guide to ensure an effortless install process. Click HERE for Installation Instructions.

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
​

If you are bored of E53's factory exhaust and want to hear more of your German beast, our E53 muffler deletes are the perfect solution! We developed a simple yet affective way to transform your exhaust without breaking the bank. Our E53 muffler delete system is a slip fit exhaust option that you can install in your own garage with just hand tools.

Over the years your factory muffler gets filled with deposits becoming blocked up and less efficient. The build up of deposits can add weight and can even reduce flow causing build up of unwanted backpressure. You can now remove the large restrictive suitcase mufflers and a install light weight and free flowing exhaust that looks just as good as it sounds! To ensure the best driving experience, muffler deletes retain the factory center resonator to ensure the least amount of drone while still getting that low decibel roaring exhaust tone.

There are few exhaust options on the market for X5's and the ones available are expensive. With the muffler delete pipes, simply cut in front of the mufflers and get the heavy suitcases off your car. Your new muffler deletes feature dual 2.5" exhaust sections and come with the option of brushed aluminum or mirror chrome dual 3" tip exhausts that fit right at home in your factory rear valance.

Can be found in this episode of the "BUILT BY MIKE" YouTube Series

Stock vs Muffler Delete Comparison Video

Features:

Turner designed Rear Muffler Deletes - made of T304 stainless steel, 1.25mm wall thickness, CNC mandrel bent 2.5" tubing for straight-through exhaust gas routing

Tig-welded exhaust hangers that fit into the factory location for direct fitment

Stainless steel Accuseal exhaust clamps are included for a leak-proof seal

Large radius bends throughout provide smooth transitions for optimal flow

KIT Options Include:

Muffler delete sections with clamps

Dual 3.0" exhaust tips (Mirror or Brushed Finish)

Optional exhaust pipe cutter and muffler hanger tools for a DIY

Introducing our Turner Performance Axle-Back Exhaust for your F87 M2 Competition! Precision-crafted exhaust that elevates your driving experience with a new level of excitement. Designed with our commitment to performance and quality, this exhaust is meticulously engineered to unleash the true potential of your M2. In tandem with performance and sound, our axle-back exhaust enhances the visual aesthetic with upgraded quad exit exhaust tips that complement the overall motorsport nature of your F87. Upgrade your driving experience with our axle-back exhaust for your M2! Unleash the power, bask in the glorious sound, and turn heads wherever you go.

Using our signature design principles this exhaust is crafted to deliver a deep, authoritative tone that reveals the true rowdy attitude of the S55. Designed to utilize the factory valve control our axle-back provides an exhilarating sound during acceleration without compromising the daily driving amenities. Our exhaust is manufactured of 1.25 & 1.5mm wall T304 stainless steel for superior durability, corrosion resistance, and aesthetics.

Designed with the customer in mind, we supply you with instructions to help make the installation DIY friendly. Your exhaust system includes all the necessary clamps and hardware for a hassle-free installation. Upgrade your M2 Comp with our new Turner Motorsport axle-back and let every drive become a statement of power and style.

Click HERE for installation instructions:

Upgrading the sound:

Our exhaust allows you to turn up the volume and let the S55 roar a hearty exhaust tone. Let's be honest, what's the point of owning a S55 if you're not going to upgrade the exhaust? Our 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 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 twin-turbo S55 sound!

How our axle-back is designed:

To create a axle-back exhaust for this incredible vehicle the upgrade happens right after the factory secondary cats. We replaced the factory components with dual 2.5" free-flowing stainless steel piping. The twin pipes make their way through the center and rear of the car without the center muffler 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 F87 muffler with beautiful inlet and outlet piping that creates the perfect exhaust tuning. Featuring relief cut slip joints and oe-style hangers the exhaust can be fully adjusted and mounted seamlessly in the factory locations. Quad 4.0" exhaust tips are optioned to fill out the open space in the rear diffuser and complete the rear profile of the vehicle.

Features and Benefits:

Street/Motorsport inspiration
Controlled by factory valves
Compatible with factory mid-pipes
Center muffler delete
Quad exit with pronounced exhaust tips
17 lb weight reduction (Factory - 58lbs, Turner 41lbs)
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 - 1.25 & 1.5mm wall thickness, back purged and TIG-welded throughout
Dual 2.5" 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
Kit Contents:

Dual 2.5" free flowing mid-pipes
Valved Rear muffler
2 - Valve extension harness
Valve extension harness
Clamps and Hardware for an OEM+ install
Optional 4.0" Exhaust Tips
Product Development:

Our F87 Valved Axle-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.