BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW F82 M4 S55 3.0L

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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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Exhaust Valve Cable Extender - F8X
Exhaust Valve Cable Extender - F8X
Active Autowerke - Corporate Logo
T#:2393407
Part#: 11-074
Ships in 4 Business Days
$ 56.99 USD
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$ 56.99 USD
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Needed for some added rear exhaust systems as the stock cable may be too short.
BMW Xforce Smartbox Varex Muffler ECU Upgrade Module
BMW Xforce Smartbox Varex Muffler ECU Upgrade Module
XForce - Corporate Logo
T#:28570834
Part#: VKSB01-ECU-MODUL
Ships in 2 Business Days
Sale - Save 10% $ 399.00

This product was last offered at the strikethrough price on
06-30-2026

$ 359.10 USD
Free Shipping on orders $49 and up
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Sale - Save 10%
$ 399.00

This product was last offered at the strikethrough price on
06-30-2026

$ 359.10 USD
Free Shipping on orders $49 and up
Add to Wish List
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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Akrapovic 14-17 BMW M3 (F80) Slip-On Line (Titanium) w/ Carbon Tips
Akrapovic 14-17 BMW M3 (F80) Slip-On Line (Titanium) w/ Carbon Tips ...
Akrapovic - Corporate Logo
T#:26538306
Part#: M-BM/T/8H-C
In Stock at Vendor
$ 7,034.99 USD
Free Shipping on orders $49 and up
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$ 7,034.99 USD
Free Shipping on orders $49 and up
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The latest addition to the BMW M series, the impressive M3/M4, delivers outstanding performance that can be further enhanced with the addition of an Akrapovič Slip-On exhaust system. Constructed from titanium, with specific components crafted in Akrapovič's own foundry, this system boasts larger pipes compared to the stock exhaust, resulting in reduced back pressure and increased power, especially at lower RPMs. Featuring a completely new design, it contributes to weight reduction and delivers added power while producing a sporty sound meticulously engineered to enhance lower frequencies for an immersive auditory experience. The heightened power and torque contribute to an enhanced driving experience, complemented by improved agility. To elevate the visual appeal, the Slip-On system offers the choice of titanium or carbon tailpipes and an eye-catching carbon rear diffuser. Vehicles equipped with Akrapovič exhaust systems benefit from significant performance enhancements and heightened responsiveness, experiencing substantial increases in power and torque across the entire RPM range. All Akrapovič exhaust systems undergo precise measurements using computer-controlled flowbenches.
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BMW F80 F82 (Valve Controller) Smart Box Drive Mode Harness 4 Pin Plug
BMW F80 F82 (Valve Controller) Smart Box Drive Mode Harness 4 Pin Plu...
XForce - Corporate Logo
T#:28570820
Part#: BMC02-SMARTBOX
Ships in 2 Business Days
Sale - Save 10% $ 28.00

This product was last offered at the strikethrough price on
06-30-2026

$ 25.20 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 10%
$ 28.00

This product was last offered at the strikethrough price on
06-30-2026

$ 25.20 USD
Free Shipping on orders $49 and up
Add to Wish List
BMW F80 F82 (Valve Controller) Smart Box Drive Mode Harness 4 Pin Plug is the must-have accessory for BMW enthusiasts seeking optimal performance. This innovative harness seamlessly integrates with the BMW F80 and F82 models, providing precise control over drive modes and valve operation. With easy installation and reliable functionality, it enhances the driving experience and customization options for BMW owners.
  • Seamless integration with BMW F80 and F82 models
  • Precise control over drive modes and valve operation
  • Easy installation process
  • Reliable functionality for enhanced driving experience
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