BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW G82 M4 S58 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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Akrapovic Titanium Slip On Exhaust With Classic Carbon Fiber Tips - G80/G82 M3/M4
Akrapovic Titanium Slip On Exhaust With Classic Carbon Fiber Tips - G...
Akrapovic - Corporate Logo
T#:3018041
Part#: BM/T/21H-C
In Stock at Vendor
$ 9,962.99 USD
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$ 9,962.99 USD
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Includes rounded Classic Carbon Fiber Exhaust Tips The exhaust tone is most noticeable as you move through the gears and accelerate, and this can be further controlled through the addition of the optional Akrapovic Sound Kit to provide increased aural pleasure. Akrapovic has achieved power gains of 10.9 HP at 6,000 rpm and torque increases of 10.3 lb/ft Torque at 6,000 rpm when tested on the Akrapovic dyno against a G80 M3 with a stock M Sport exhaust system for comparison.
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Akrapovic Sound Kit for BMW G80 G82 M3 M4
Akrapovic Sound Kit for BMW G80 G82 M3 M4
Akrapovic - Corporate Logo
T#:3018043
Part#: P-HF1384
Ships in 3 Business Days
$ 605.99 USD
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$ 605.99 USD
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Akrapovic Sound Kit for BMW G80 G82 M3 M4 offers BMW owners the ability to control the sound of their Akrapovic exhaust system directly from the cockpit. Utilizing advanced Akrapovic technology, this kit allows drivers to switch between a quieter mode and a sportier exhaust sound. The system includes a receiver, already integrated into the Evolution exhaust system, which operates the actuators to open or close the exhaust valves. Drivers can manage the sound with the Sound Remote Controller or the latest smartphone app, compatible with both iOS and Android devices.

  • Enhanced Control: Allows for easy switching between quiet and sporty exhaust modes.
  • Advanced Technology: Features Akrapovic technology for precise sound management.
  • Convenient Operation: Control the exhaust valves using the Sound Remote Controller or a smartphone app.
  • Compatibility: Designed specifically for BMW G80 and G82 M3 and M4 models.
  • Easy Integration: Receiver included in the Evolution system for straightforward installation.
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Akrapovic Titanium Slip On Exhaust With Octagonal Carbon Fiber Tips - G80/G82 M3/M4
Akrapovic Titanium Slip On Exhaust With Octagonal Carbon Fiber Tips -...
Akrapovic - Corporate Logo
T#:3018042
Part#: BM/T/21H-BC
Back Ordered
$ 10,143.99 USD
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$ 10,143.99 USD
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Includes rounded Octagonal Carbon Fiber Exhaust Tips The exhaust tone is most noticeable as you move through the gears and accelerate, and this can be further controlled through the addition of the optional Akrapovic Sound Kit to provide increased aural pleasure. Akrapovic has achieved power gains of 10.9 HP at 6,000 rpm and torque increases of 10.3 lb/ft Torque at 6,000 rpm when tested on the Akrapovic dyno against a G80 M3 with a stock M Sport exhaust system for comparison.
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Milltek Performance Cat Back Exhaust System - BMW G80 M3 & M3 Competition
Milltek Performance Cat Back Exhaust System - BMW G80 M3 & M3 Competi...
Milltek Sport - Corporate Logo
T#:26305116
Part#: SSXBM131X
Ships in 5 Business Days
Sale - Save 10% $ 4,708.00

This product was last offered at the strikethrough price on
08-29-2026

Starting at $ 4,237.20 USD
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Sale - Save 10%
$ 4,708.00

This product was last offered at the strikethrough price on
08-29-2026

Starting at $ 4,237.20 USD
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Performance to blow your mind, not your ears! Improve performance and your vehicle's sound with this cat-back exhaust system from Milltek. This cat-back exhaust system features 80mm (3.15") T304 stainless steel construction, with quad 115mm (4.5") exhaust tips available in multiple finishes. With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. Constructed of type-304 aircraft grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser.
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ACTIVE VALVE CONTROL
ACTIVE VALVE CONTROL
Milltek Sport - Corporate Logo
T#:35390991
Part#: SSXBM1234
In Stock
Sale - Save 10% $ 455.99

This product was last offered at the strikethrough price on
08-29-2026

$ 410.24 USD
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Sale - Save 10%
$ 455.99

This product was last offered at the strikethrough price on
08-29-2026

$ 410.24 USD
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Milltek Sport's Active Valve Control (AVC) provides advanced exhaust management for vehicles equipped with factory valves as well as Milltek's performance exhaust systems with valve control upgrades. With seamless integration, AVC offers drivers the ability to control the opening and closing of exhaust valves, allowing precise tuning of sound and volume to match their preferences. For selected models, AVC includes optional app control via iPhone or Android devices, putting exhaust customization at the driver’s fingertips. Utilizing full CAN BUS integration with built-in safety protocols, the system ensures reliable operation while delivering complete control over the exhaust's acoustic performance.
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Akrapovic Downpipe With Cat - G80/G82 M3/M4
Akrapovic Downpipe With Cat - G80/G82 M3/M4
Akrapovic - Corporate Logo
T#:3018044
Part#: DP-BM/SS/8
In Stock at Vendor
$ 4,331.99 USD
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$ 4,331.99 USD
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This product is crafted from high-quality stainless steel, with the front part of the downpipe cast in Akrapovič’s in-house foundry. A sporty 300 cpsi catalytic converter is integrated into the downpipe, with the heat insulation made of stainless steel and a flexible tube incorporated into the middle section. It delivers a pure racing sound, full of emotion and adrenalin-inducing enjoyment, and great feedback at high revs, all without unwanted drone.
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Akrapovic Titanium Exhaust Suite - G80/G82 M3/M4
Akrapovic Titanium Exhaust Suite - G80/G82 M3/M4
Akrapovic - Corporate Logo
T#:3018050
Part#: BM/T/21H
In Stock at Vendor
Starting at $ 12,114.98 USD
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Starting at $ 12,114.98 USD
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Akrapovic is the first to market with the new G80/G82 Exhaust Suite. This exhaust suite has a variety of options from Downpipes, Center Section, Tip Style, Sound Kit, and Diffusors to help you get the configuration that meets your needs.
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Milltek Performance Axle Back Exhaust System - G80 M3 & M3 Comp
Milltek Performance Axle Back Exhaust System - G80 M3 & M3 Comp ...
Milltek Sport - Corporate Logo
T#:26404803
Part#: SSXBM117X
Ships in 5 Business Days
Sale - Save 10% $ 3,781.99

This product was last offered at the strikethrough price on
08-29-2026

Starting at $ 3,403.24 USD
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Sale - Save 10%
$ 3,781.99

This product was last offered at the strikethrough price on
08-29-2026

Starting at $ 3,403.24 USD
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Performance to blow your mind, not your ears! Improve performance and your vehicle's sound with this axle-back exhaust system from Milltek. This axle-back exhaust system features 80mm (3.15") T304 stainless steel construction, with quad 115mm (4.5") exhaust tips available in multiple finishes. With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. Constructed of type-304 aircraft grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser.
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Milltek Large Bore Downpipe And Hi-Flow Sports Car - M3/M4/M2
Milltek Large Bore Downpipe And Hi-Flow Sports Car - M3/M4/M2 ...
Milltek Sport - Corporate Logo
T#:39059239
Part#: SSXBM1333
Ships in 5 Business Days
Sale - Save 10% $ 3,638.00

This product was last offered at the strikethrough price on
08-29-2026

$ 3,274.20 USD
Free Shipping on orders $49 and up
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Sale - Save 10%
$ 3,638.00

This product was last offered at the strikethrough price on
08-29-2026

$ 3,274.20 USD
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Milltek Sport Non-Resonated OPF Bypass Kit - G8x M3/M4
Milltek Sport Non-Resonated OPF Bypass Kit - G8x M3/M4
For Vehicles With OPF (2020+)
Milltek Sport - Corporate Logo
T#:4813294
Part#: SSXBM1194
Ships in 5 Business Days
Sale - Save 10% $ 945.00

This product was last offered at the strikethrough price on
08-29-2026

$ 850.50 USD
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Sale - Save 10%
$ 945.00

This product was last offered at the strikethrough price on
08-29-2026

$ 850.50 USD
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Milltek Sport was founded by car enthusiasts for car enthusiasts. Based in the UK, their products are developed and tested at their development center at Nurburgring in Germany. The result is a wide range of top of the line exhaust systems that can bring more life to your car! The GPF/OPF on newer BMWs almost acts as a secondary catalyst. In response, Milltek has provided the option to remove this component, similar to a Decat system. This bypass deletes the GPF/OPF, removing it from the exhaust system to better improve performance. - GPF/OPF Bypass software is required on the vehicles ECU in most cases. Includes all hardware required to install. Non-Resonated model meaning a much louder sound will be produced! *Note: Fits OE Downpipes and Milltek Sport Back System only
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Milltek Sport Resonated OPF Bypass Kit - G8x M3/M4
Milltek Sport Resonated OPF Bypass Kit - G8x M3/M4
For Vehicles With OPF (2020+)
Milltek Sport - Corporate Logo
T#:4813295
Part#: SSXBM1193
Ships in 5 Business Days
Sale - Save 10% $ 1,214.00

This product was last offered at the strikethrough price on
08-29-2026

$ 1,092.60 USD
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Sale - Save 10%
$ 1,214.00

This product was last offered at the strikethrough price on
08-29-2026

$ 1,092.60 USD
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Milltek Sport was founded by car enthusiasts for car enthusiasts. Based in the UK, their products are developed and tested at their development center at Nurburgring in Germany. The result is a wide range of top of the line exhaust systems that can bring more life to your car! The GPF/OPF on newer BMWs almost acts as a secondary catalyst. In response, Milltek has provided the option to remove this component, similar to a Decat system. This bypass deletes the GPF/OPF, removing it from the exhaust system to better improve performance. - GPF/OPF Bypass software is required on the vehicles ECU in most cases. Includes all hardware required to install. Resonated model meaning a reasonably louder sound will be produced! Requires OPF bypass Module or Stage 2 tune Fits OE Downpipes and Milltek Sport Back System only
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Milltek Sport OPF Bypass Module - G8x M3/M4
Milltek Sport OPF Bypass Module - G8x M3/M4
For Vehicles With Milltek OPF Bypass Components Installed (2020+)
Milltek Sport - Corporate Logo
T#:4813296
Part#: SSXBM1192
Ships in 5 Business Days
Sale - Save 10% $ 409.00

This product was last offered at the strikethrough price on
08-29-2026

$ 368.10 USD
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Sale - Save 10%
$ 409.00

This product was last offered at the strikethrough price on
08-29-2026

$ 368.10 USD
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Milltek's Bypass Module to be used in junction with any OPF/GPF bypass install kits. Plug and Play, no ECU software required.
BMW G8X Akrapovic Tail Pipe Set - Classic Carbon Design
BMW G8X Akrapovic Tail Pipe Set - Classic Carbon Design
Akrapovic - Corporate Logo
T#:24444445
Part#: TP-CT/68
In Stock at Vendor
$ 2,215.99 USD
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$ 2,215.99 USD
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BMW G8X Akrapovic Tail Pipe Set - Classic Carbon Design offers an exceptional upgrade for those seeking both performance and aesthetics. These tailpipes are crafted by Akrapovic, renowned for their high-quality engineering and stylish designs. The Classic Carbon Design adds a distinctive, aggressive look to the vehicle, combining superior craftsmanship with performance benefits.

  • High-Quality Craftsmanship: Engineered by Akrapovic for unparalleled durability and performance.
  • Distinctive Style: Classic Carbon Design provides a sleek, aggressive appearance.
  • Enhanced Performance: Designed to optimize exhaust flow and improve overall vehicle performance.
  • Easy Installation: Direct fit for BMW G8X models, making installation straightforward with no modifications required.
  • Premium Materials: Made from high-quality carbon fiber for both durability and lightweight performance.
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BMW G8X M2 M3 Akrapovic Tail Pipe Set - Octagonal Carbon Design
BMW G8X M2 M3 Akrapovic Tail Pipe Set - Octagonal Carbon Design ...
Akrapovic - Corporate Logo
T#:28537478
Part#: TP-CT/69
Ships in 3 Business Days
$ 2,391.99

This product was last offered at the strikethrough price on
08-13-2026

$ 2,272.99 USD
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$ 2,272.99 USD
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The pioneering octagonal form, meticulously crafted from lightweight titanium and enhanced with a carbon-fiber outer layer, harmoniously accentuates the car's lines. Alternatively, for enthusiasts of a classic look, there's the enduring cylindrical design, likewise fashioned from top-tier materials. These refreshed BMW tailpipes by Akrapovič cater to diverse tastes while upholding exceptional craftsmanship standards.
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