BMW Catback Exhaust Systems for BMW E90 M3 S65 4.0L

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Catback Exhaust systems are designed to completely replace everything from your cats all the way back to your exhaust tips. Traditionally, if you are planning on upgrading your entire exhaust system, you will also need headers and downpipes.
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Turner Motorsport - Corporate Logo
T#:5135646
Part#: 013888LA01-01KT
Ships in 3 Business Days
Sale - Save 20% $ 1,768.99

This product was last offered at the strikethrough price on
10-05-2026

$ 1,415.19 USD
Free Shipping
Sale - Save 20%
$ 1,768.99

This product was last offered at the strikethrough price on
10-05-2026

$ 1,415.19 USD
Free Shipping
New to our line of exceptional performance upgrades for your BMW, the Turner Motorsport E9X M3 (S65) Valved Axle-back exhaust system is here to improve your driving experience with hearty exhaust notes and a noticeable bump in performance. With the muffler valves closed, this exhaust is quite unassuming. Nobody will suspect your car even has an aftermarket exhaust system, as it sounds very much like the factory system. But, when you open up the valves, using the supplied valve controller, this exhaust transforms your car, giving your car a menacing growl!

Now, we get it, not everyone can, or wants to delete their factory cats. Whether it be emissions testing or a check engine light, the smell of unfiltered exhaust, the very aggressive sound, or warranty reasons. Whatever the reason, We've got you covered! This exhaust setup leaves all 4 factory cats in place, making it 100% emissions legal for everyone, even California!

This exhaust sports Mandrel bent dual 2.5” 304SS pipes with a brushed finish, with exhaust gases flowing through efficient piping to High flow, valved, stainless steel mufflers. Designed to mount with the factory exhaust hangers, this exhaust is a bolt-on replacement for the OE version. To help reduce the time you spend under the car installing the system, Accuseal slip-fit joints are included to make fitment as easy as possible. The Turner Motorsport full exhaust system includes a High flow, valved, stainless-steel muffler and is available as an Axle Back, Cat-back system, as well as a full Turbo back system.

Give your M3 the dual-purpose exhaust system that satisfies both your neighbors and your need for sound with the Turner Motorsport E9X M3 full exhaust system!

Kit Includes:

Turner Axle back Exhaust with X pipe
Turner Adapter pipes for Factory Mid Pipes
Turner Muffler Valve Controller Kit
Turner Engraved Exhaust Tips
Features:

Mandrel bent dual 2.5” 304SS pipe with brushed finish
Turner Engraved Polished exhaust tips
High flow, valved, stainless steel mufflers
Accuseal slip fit joints for easy fitment
Utilizes factory exhaust hangers
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Turner Motorsport - Corporate Logo
T#:14816651
Part#: 013888LA0102T
Ships in 3 Business Days
Sale - Save 10% $ 2,902.99

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

Starting at $ 2,612.69 USD
Free Shipping
Sale - Save 10%
$ 2,902.99

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

Starting at $ 2,612.69 USD
Free Shipping

With the heightened popularity of the Turner E9x exhaust, we do not want to limit your choices when it comes to appearance. Pair this ultra lightweight, exotic sounding exhaust with your choice of exhaust tip! Our Turner Motorsport E9X M3 (S65) Titanium Valved Axle-back exhaust system is here to improve your driving experience with hearty exhaust notes and a noticeable bump in performance. With the muffler valves closed, this exhaust is both tame and fine tuned. Nobody will suspect your car even has an aftermarket exhaust system, it will sound similar to the factory system but with the perfect hint of exotic character. When you open up the valves, using the supplied valve controller, this exhaust transforms your car into the exotic beast that it is!

Now, we get it, not everyone can, or wants to delete their factory cats. Whether it be emissions testing or a check engine light, the smell of unfiltered exhaust, the very aggressive sound, or warranty reasons. Whatever the reason, We've got you covered! This exhaust setup leaves all 4 factory cats in place, making it 100% emissions legal for everyone.

This exhaust sports Mandrel bent dual 2.5” Ti22 pipes, with exhaust gases flowing through efficient piping to High flow, valved, Ti22 mufflers. Designed to mount with the factory exhaust hangers, this exhaust is a bolt-on replacement for the OE version. To help reduce the time you spend under the car installing the system, Accuseal slip-fit joints are included to make fitment as easy as possible. The Turner Motorsport full exhaust system includes a High flow, valved,Ti22 muffler and is available as an Axle Back, Cat-back system, as well as a full Turbo back system.

Give your M3 the dual-purpose exhaust system that satisfies your need for sound while having the ability to drive through the neighborhood at night with the Turner Motorsport E9X M3 full exhaust system!

Kit Includes:

Turner Axle back Exhaust with X pipe
Turner Adapter pipes for Factory Mid Pipes
Turner Muffler Valve Controller Kit
Optional 2.5" to 3.5" Exhaust Tips
Features:

Mandrel bent dual 2.5” Ti22 pipe with brushed finish
High flow, valved, titanium mufflers
Accuseal slip fit joints for easy fitment
Utilizes factory exhaust hangers

Show More Show Less
Turner Motorsport - Corporate Logo
T#:5416749
Part#: 013888LA01-02KT
Ships in 3 Business Days
Sale - Save 10% $ 2,974.99

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

$ 2,676.74 USD
Free Shipping
Sale - Save 10%
$ 2,974.99

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

$ 2,676.74 USD
Free Shipping
New to our line of exceptional performance upgrades for your BMW, the Turner Motorsport E9X M3 (S65) Titanium Valved Axle-back exhaust system is here to improve your driving experience with hearty exhaust notes and a noticeable bump in performance. With the muffler valves closed, this exhaust is both tame and fine tuned. Nobody will suspect your car even has an aftermarket exhaust system, it will sound like the factory system but with the perfect hint of exotic character. When you open up the valves, using the supplied valve controller, this exhaust transforms your car into the exotic beast that it is!

Now, we get it, not everyone can, or wants to delete their factory cats. Whether it be emissions testing or a check engine light, the smell of unfiltered exhaust, the very aggressive sound, or warranty reasons. Whatever the reason, We've got you covered! This exhaust setup leaves all 4 factory cats in place, making it 100% emissions legal for everyone.

This exhaust sports Mandrel bent dual 2.5” Ti22 pipes, with exhaust gases flowing through efficient piping to High flow, valved, Ti22 mufflers. Designed to mount with the factory exhaust hangers, this exhaust is a bolt-on replacement for the OE version. To help reduce the time you spend under the car installing the system, Accuseal slip-fit joints are included to make fitment as easy as possible. The Turner Motorsport full exhaust system includes a High flow, valved, Ti22 muffler and is available as an Axle Back, Cat-back system, as well as a full Turbo back system.

Give your M3 the dual-purpose exhaust system that satisfies your need for sound while having the ability to drive through the neighborhood at night with the Turner Motorsport E9X M3 full exhaust system!

Kit Includes:

Turner Axle back Exhaust with X pipe
Turner Adapter pipes for Factory Mid Pipes
Turner Muffler Valve Controller Kit
Turner Engraved Exhaust Tips
Features:

Mandrel bent dual 2.5” Ti22 pipe with brushed finish
Turner Engraved Polished exhaust tips
High flow, valved, Ti22 mufflers
Accuseal slip fit joints for easy fitment
Utilizes factory exhaust hangers
Show More Show Less

Enthusiast Bundles - Corporate Logo
T#:25042546
Part#: 013888LA0102EBKT
Ships in 3 Business Days
Sale - Save 13% $ 4,015.98

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

$ 3,499.00 USD
Sale - Save 13%
$ 4,015.98

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

$ 3,499.00 USD

Elevate your BMW experience with the Turner Motorsport E90 E92 M3 Titanium Valved Axle-Back Exhaust. This cutting-edge system offers exotic exhaust notes, weight reduction, and a noticeable performance boost. The muffler valves provide a tame, factory-like sound with a hint of exotic character when closed, and transform your car into an exotic beast when opened, thanks to the supplied valve controller.

For those who prefer to keep their factory cats, this exhaust setup is the ideal choice. It leaves all 4 factory cats in place, ensuring 100% emissions legality. The Mandrel bent dual 2.5” Ti22 pipes and high-flow, valved Titanium mufflers provide efficient gas flow and a dual-purpose exhaust system that satisfies both neighbors and performance enthusiasts.

Kit Includes:

  • Turner Axle back Exhaust with X pipe
  • Turner Adapter pipes for Factory Mid Pipes
  • Turner Muffler Valve Controller Kit
  • Turner Engraved Exhaust Tips

Features:

  • Mandrel bent dual 2.5” Ti22 pipe
  • Turner Engraved Brushed exhaust tips
  • High flow, valved, Titanium mufflers
  • Accuseal slip-fit joints for easy fitment
  • Utilizes factory exhaust hangers

Upgrade your M3 with the Turner Motorsport E90 E92 M3 Titanium Valved Axle-Back Exhaust for a perfect blend of style and performance.

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Turner Motorsport - Corporate Logo
T#:10714276
Part#: 013888LA01-02KT1
Ships in 3 Business Days
Sale - Save 10% $ 3,013.99

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

$ 2,712.59 USD
Free Shipping
Sale - Save 10%
$ 3,013.99

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

$ 2,712.59 USD
Free Shipping

New to our line of exceptional performance upgrades for your BMW, the Turner Motorsport E9X M3 (S65) Titanium Valved Axle-back exhaust system is here to improve your driving experience with hearty exhaust notes and a noticeable bump in performance. With the muffler valves closed, this exhaust is both tame and fine tuned. Nobody will suspect your car even has an aftermarket exhaust system, it will sound similar to the factory system but with the perfect hint of exotic character. When you open up the valves, using the supplied valve controller, this exhaust transforms your car into the exotic beast that it is!

Now, we get it, not everyone can, or wants to delete their factory cats. Whether it be emissions testing or a check engine light, the smell of unfiltered exhaust, the very aggressive sound, or warranty reasons. Whatever the reason, We've got you covered! This exhaust setup leaves all 4 factory cats in place, making it 100% emissions legal for everyone.

This exhaust sports Mandrel bent dual 2.5” Ti22 pipes, with exhaust gases flowing through efficient piping to High flow, valved, Ti22 mufflers. Designed to mount with the factory exhaust hangers, this exhaust is a bolt-on replacement for the OE version. To help reduce the time you spend under the car installing the system, Accuseal slip-fit joints are included to make fitment as easy as possible. The Turner Motorsport full exhaust system includes a High flow, valved,Ti22 muffler and is available as an Axle Back, Cat-back system, as well as a full Turbo back system.

Give your M3 the dual-purpose exhaust system that satisfies your need for sound while having the ability to drive through the neighborhood at night with the Turner Motorsport E9X M3 full exhaust system!

Kit Includes:

Turner Axle back Exhaust with X pipe
Turner Adapter pipes for Factory Mid Pipes
Turner Muffler Valve Controller Kit
Turner Engraved Exhaust Tips
Features:

Mandrel bent dual 2.5” Ti22 pipe with brushed finish
Turner Engraved Brushed exhaust tips
High flow, valved, stainless steel mufflers
Accuseal slip fit joints for easy fitment
Utilizes factory exhaust hangers

Show More Show Less

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