BMW Catback Exhaust Systems

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The Supersprint rear mufflers for the turbo Z4 is a subtle sound and performance improvement for those that think the stock muffler is too tame. This sport rear muffler is a free-flowing design with larger piping to improve flow and tune the sound. With the stock cats in place the sound is still subdued but the Supersprint muffler makes an alteration to the exhaust note to be a little more sporty and aggressive but not intrusive or obnoxious. This system includes the center X-pipe with slightly oversized piping for improved flow over the stock system. The tips on the system are similar to the factory single round tips but slightly bigger so they fill out the bumper better and look more sporting.

Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!

section:center x-pipe + rear mufflers

connects to:factory secondary cats

tip style:90mm single round per side

material:T304 stainless steel

This item fits the following BMWs:
2009+ Z4 BMW Z4 sDrive35i Z4 sDrive35is

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This Supersprint performance exhaust is built from the Euro exhaust layout. It features oversized dual 50mm stainless steel pipes leading from the catalytic converter. This Supersprint system has a center resonator and rear muffler with free-flow designs for a sporty sound and less restriction to free up horsepower. The sound is such a great match to the M88/S38 engine and retro cool that these cars have now. It's a classic growl and throaty sound without being overly aggressive. We've had nothing but compliments on the sound from this system. The previous mild steel versions have been discontinued - this system is now 100% T304 stainless steel!

Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!

Fitment Notes: This system is not a direct fit with the US catalytic converter section. The factory system is connected with 2-bolt flanges but the Supersprint Euro system is based on the Euro 3-bolt flanges. The US cat section flanges must be removed and replaced with the triangular 3-bolt flange (BMW p/n 18111178137) and gaskets (p/n 18301723886). Or, conversely, remove the 3-bolt flanges from the Supersprint and re-weld the old 2-bolt flanges from the stock resonator section.

section:center resonator + rear muffler

connects to:stock cat section*

tip style:80mm dual round

material:T409 stainless steel (both sections)

This item fits the following BMWs:
1988 E28 BMW M5
1987-1989 E24 BMW M6

Add a little more growl and sporty exuberance to the E32 740 with the Supersprint performance exhaust. This cat-back system has a tuned center resonator and sport muffler. Both are freer flowing than the stock 740 exhaust which gives a more sport-oriented sound and a modest power increase thanks to less restriction. Supersprint exhausts are often found on restored classic BMWs as a mild sport exhaust, thanks to their OEM quality and refined sound. The complete system is stainless steel and a direct fit to the stock catalytic converters (with the appropriate adapter pipe for the SWB or LWB).

Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!

Fitment note: the resonator and muffler are the same for the 740i (SWB) and 740iL (LWB). But choose the correct adapter pipes below.

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This item fits the following BMWs:
1993-1994 E32 BMW 740i 740iL

MINI R53 Cat-Back Exhaust System - Scorpion 90mm x 76mm Oval Tips Resonated delivers a perfect blend of performance and refinement for MINI enthusiasts. Engineered with high-grade 304 stainless steel, this exhaust system not only enhances horsepower but also ensures long-lasting durability. The resonated design offers a quieter exhaust note compared to non-resonated systems, making it ideal for those who want a performance boost without excessive noise. Scorpion exhausts are highly regarded in the tuning community for their quality and performance, now available in the U.S. through Turner Motorsport.

• Enhanced performance: Boosts horsepower with a free-flow design.
• Premium construction: Made from 304 stainless steel for long-lasting durability.
• Refined sound: Resonated design reduces noise compared to non-resonated systems.
• TüV certified: Meets rigorous quality standards.
• Perfect fitment: Designed specifically for the MINI R53.

The E46 M3’s high-revving S54 engine deserves an exhaust note that matches its motorsport pedigree. Developed with precision acoustics in mind, this comprehensive exhaust package delivers the ideal blend of high-rpm rasp control, flow performance, and switchable sound volume. Unleashing exotic tones every time you hit the throttle

By pairing our Resonated Equal Length Section 1 with our Valved Stainless Steel Rear Exhaust, this system equalizes exhaust pulse timing to produce a clean, exotic tone. Open the valves via the included Bremman wireless control kit to bypass restrictors for maximum flow on the track, or close them for subtle street cruising. Engineered for a direct fit, this kit comes complete with track-grade HJS hangers and brand-new exhaust hardware to replace worn factory components.

The S54 under the hood of your E46 M3 is a high-revving masterpiece, but factory exhaust setups and many aftermarket options leave you stuck with that dreaded, tinny exhaust rasp. The Turner Motorsport Equal Length Section 1 Exhaust is built to cure the S54's sound once and for all, delivering the aggressive, track-inspired tone your M3 deserved from the factory.

We designed this equal-length section 1 pipe with a proprietary internal resonator that smooths out exhaust pulses, completely killing unwanted rasp while dialing in a throatier, exotic sound profile. Built from heavy-duty 304 stainless steel with precise pie-cut welds, it’s engineered to withstand the thermal stress of aggressive track days and daily street driving without rusting or deteriorating. It’s a 100% direct bolt-on upgrade using new gaskets and hardware, meaning you get pure motorsport sound and performance with an effortless installation.

We set out to amplify the F80/F82 with a proper exhaust system. To accomplish this goal, our engineers at Turner increased flow and delivered an exhaust system that captures the full unrestricted sound of the twin turbo inline-6 S55 engine. The increase in flow was gained from dual 2.5" stainless exhaust pipes that feed into one of the best designed mufflers on the market. Our in-house engineers specifically designed the muffler with flow in mind to ensure that even with the exhaust valves closed, our Turner muffler flows better and sounds better than the stock muffler. The best part of the catback 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 the Turner Stainless exhaust being the clear answer in your mission to find the best exhaust for your S55 powered F80 or F82.

Transform the whole dynamic of your M3 or M4 with added performance, increased flow and not to mention the absolutely wicked sound you get from the upgraded Turner Performance Catback!

Part Design:

Turner In-house designed and engineered using FARO ARM laser scanning technology and SolidWorks 3D CAD modeling for precision fitment.
304SS pipe Material in a natural finish
2.5"OD mandrel bent tubing
Barbed exhaust hangers Tig-Welded in OE locations for precise fitment.​
Strategically placed slip joints provide the most adjustability to obtain perfect fitment
Valved Muffler:
Optimized for superior flow over OEM
Utilizes factory valve control
Kit Contents:

Full 304SS Valved muffler utilizing oem style exhaust valves
High-Flow middle muffler section for better sound, performance and weight savings.
Dual 2.5" 304SS Mid-pipes
Clamps, gaskets and Hardware for an OEM+ install
Brushed Turner Exhaust tips - 2.5" Inlet, 4.0" Outlet

Dinan sport mufflers are designed to compliment the M3 and not overpower the driver and passengers with harsh tones. Dinan engineers their exhausts to sound great and be a natural fit to the character of the car as well as produce more power and torque. Four 3.5" black ceramic tips engraved with the Dinan logo fill out the rear valence (choose either polished or satin black tips). Annoying highway drone has also been engineered out of the system. Dinan uses only 304 stainless steel in their systems for the maximum corrosion protection. This system replaces the factory rear mufflers at a pre-determined cut point on the stock exhaust, which makes for an easy installation and you can reinstall your original mufflers using factory hardware. Detailed installation instructions are included.

Features of the F9X M3 Dinan Exhaust -

• Single channel design
• Sportier Sound
• 10 lbs lighter than stock part + 100% 304 stainless steel construction
• Simple installation using high quality BMW OEM clamps and hangers
• Quad 3" laser engraved black ceramic coated exhaust tips with Dinan logo
• 6 HP & 5 lb-ft of torque
• "Straight Through" canister design
• Helmholtz chamber to remove drone

For over 35 years, Dinan has been America's premier tuning company, pioneering advancements in BMW modification while retaining a focus on balanced performance that preserves the original character and driving feel that a BMW offers. When you install a Dinan part on your car, know that it's not only carefully developed and tested, but that Dinan stands behind it with a four year, 50,000-mile warranty. Dinan believes so fully in their “total package” approach that once your car has been fitted with enough of their parts, they celebrate your conversion from stock to Dinan with an exclusive trunk badge, displayed proudly by BMW enthusiasts everywhere. This setup is worth 3 point towards your Dinan badge.

This item fits the following BMWs:
2008-2013 E92/3 BMW M3