BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW F91 M8 S63 4.4L

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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 Evolution Line Cat Back Titanium Exhaust System - Carbon Tips - F91/F92 M8 Coupe/Cabriolet
Akrapovic Evolution Line Cat Back Titanium Exhaust System - Carbon T...
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Akrapovic - Corporate Logo
T#:7813205
Part#: S-BM/T/23
In Stock at Vendor
$ 11,724.99 USD
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$ 11,724.99 USD
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Constructed from high-grade lightweight titanium alloys, the Evolution Line (Titanium) exhaust system has been perfectly tuned to deliver the very best aural experience in all driving modes. Through extensive testing and development, the Akrapovič sound engineers have coaxed a deep, sporty, higher-frequency V8 sound from the car’s turbo engine, more akin to that of a muscle car, while keeping it smooth and eliminating any drone that might hamper the enjoyment. The full titanium exhaust system is finished with two sets of carbon-fibre / titanium tailpipes coming from a central muffler layout featuring two valves, one located on either side of the muffler. The housings are cast in-house in the Akrapovič foundry, and there is a cast collector on the link pipe, where gases from both sides of the engine mix, all designed to create a perfect sound. This plug-and-play exhaust system can be further regulated with the addition of the Akrapovič Sound Kit to control the valves in the exhaust and switch between the sound modes. Fittment notice:This system does not fit on vehicles equipped with Otto particulate filter (OPF). This exhaust system is not CARB approved
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Akrapovič Exhaust Sound Kit - F91 F92 F93 M8
Akrapovič Exhaust Sound Kit - F91 F92 F93 M8
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Akrapovic - Corporate Logo
T#:599277
Part#: P-HF1263
Back Ordered
$ 1,203.99 USD
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$ 1,203.99 USD
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The optional Akrapovič Sound Kit enables owners of selected Akrapovič car exhausts to control the sound of the system from the cockpit of their machine. Using Akrapovič technology, drivers can easily switch between the quiet mode and a sportier sound. With the use of a receiver (already included in evolution system) to drive the actuators that open or close the valves at the end of the exhaust system, drivers can use the Sound Remote Controller or the new smartphone app (for iOS and Android) to regulate the valves. With the use of the optional Akrapovič Sound Kit, the ECE type approval is no longer valid. Pictures are symbolic.
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Titanium Exhaust Wrap - 2" X 25'
Titanium Exhaust Wrap - 2" X 25'
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Prosport Performance - Corporate Logo
T#:385025
Part#: HEA-WRAPKIT-25
Ships in 1 Business Day
$ 29.99 USD
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$ 29.99 USD
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Constructed for durability with a tight weave, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility. Fiberglass is rated for 1200 degrees, however, this titanium wrap can withstand 1800 degrees! 

Key Features:

  • 2" wide x 1/16" thick
  • Durable, tightly woven, 100% fiberglass
  • Reduce under hood temperatures
  • Protect other engine components
  • Protect your hands/arms from burns
  • Each roll comes with 5 FREE, 14" long stainless steel zip ties
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Prosport Titanium Exhaust Wrap - 2" x 50
Prosport Titanium Exhaust Wrap - 2" x 50
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Prosport Performance - Corporate Logo
T#:385019
Part#: HEA-WRAPKIT-50
Ships on Aug 3, 2026
$ 49.99 USD
Free Shipping on orders $49 and up
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$ 49.99 USD
Free Shipping on orders $49 and up
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Constructed for durability with a tight weave, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility. Fiberglass is rated for 1200 degrees, however, this titanium wrap can withstand 1800 degrees!
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Prosport Gold Heat Reflective Tape - 2" x 15'
Prosport Gold Heat Reflective Tape - 2" x 15'
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Prosport Performance - Corporate Logo
T#:385020
Part#: HEA-GWRAP-15
Back Ordered
$ 33.99 USD
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$ 33.99 USD
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Constructed of laminated light-weight glass cloth, this gold reflective heat tape is designed to reflect 80% of radiant heat. With excellent pliability, this tape is easy to install. It's as simple as peel and stick.
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Prosport Fiberglass Exhaust Wrap - Black - 2" x 50'
Prosport Fiberglass Exhaust Wrap - Black - 2" x 50'
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Prosport Performance - Corporate Logo
T#:385018
Part#: HEA-WRAPKIT-BLK
Ships in 1 Business Day
$ 28.00 USD
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$ 28.00 USD
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Constructed of durable, tight-woven fiberglass, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility.
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Active Autowerke F90 M5/M8 X5M/X6M Aflow Catted Downpipes
Active Autowerke F90 M5/M8 X5M/X6M Aflow Catted Downpipes
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
These catalytic converters are not legal for use on vehicles registered in the state of California as a result of California Vehicle Code Section 27156 and 38391.
Active Autowerke - Corporate Logo
T#:40038643
Part#: 11-063A
Ships in 3 Business Days
5% off MSRP $ 2,399.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,279.99 USD
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5% off MSRP
$ 2,399.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,279.99 USD
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The Active Aflow Catalytic Converters are rated for engines putting out up to 800 horsepower while maintaining a high flow capacity.
Prosport Fiberglass Exhaust Wrap - White - 2" x 50'
Prosport Fiberglass Exhaust Wrap - White - 2" x 50'
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Prosport Performance - Corporate Logo
T#:385017
Part#: HEA-WRAPKIT-WHT
In Stock at Vendor
$ 31.99 USD
Free Shipping on orders $49 and up
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$ 31.99 USD
Free Shipping on orders $49 and up
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Constructed of durable, tight-woven fiberglass, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility.
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Active Autowerke High Flow Catted Downpipes - S63
Active Autowerke High Flow Catted Downpipes - S63
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Active Autowerke - Corporate Logo
T#:2393421
Part#: 11-063
Ships in 10 Business Days
5% off MSRP $ 2,999.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,849.99 USD
Free Shipping
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5% off MSRP
$ 2,999.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,849.99 USD
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For over 30 years, Active Autowerke has been the one to turn to for high quality BMW performance products. Committed to enhancing the performance of BMWs through the highest quality products is what Active Autowerke is all about. These S63 downpipes are strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory M5 downpipes therefore reducing radiant heat and increasing performance. Features: NO CEL when using this downpipe GESI EPA registered high flow and fully OBD2 compliant Casted upper stainless steel V-Band for precise fitment 4.50" diameter piping allows for maximum power output Quicker turbo spool Rated for 500 to 850 hp applications Withstands up to 1500 F Can reach operational efficiency within 9 seconds of startup Easily bolts-on no cutting or welding required Accepts OEM O2 sensor heat shield Durable construction from TIG welded 304 stainless steel Precise fitment Ultra high flow 400 cell per square inch catalyst EPA compliant for use on OBD2 vehicles (1996 and newer) except in California 304 stainless steel substrate is furnace braised to the mantle for outstanding durability GESi proprietary precious metal loading technology ensures greatly reduced emissions Ideal for Forced Induction Applications with no loss of HP Both passengers and drivers are safe from harmful emissions and noise Covered by 5 Year / 50,000 Mile Warranty (on catalytic converter) Made in Miami, Florida
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