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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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
Add to Wish List
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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CTS Turbo Performance Downpipes - High Flow Cats - F90 M5, F91/92/93 M8
CTS Turbo Performance Downpipes - High Flow Cats - F90 M5, F91/92/93 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTS - Corporate Logo
T#:4333556
Part#: EXHDP0042CAT
Ships in 7 Business Days
Sale - Save 10% $ 1,199.99

This product was last offered at the strikethrough price on
07-10-2026

$ 1,079.99 USD
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Sale - Save 10%
$ 1,199.99

This product was last offered at the strikethrough price on
07-10-2026

$ 1,079.99 USD
Free Shipping
Add to Wish List
CTS Turbo High-Flow Cats are made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts. Designed using the latest in CAD technology; this part is made to fit perfectly in place of the restrictive factory catalytic converter. Manufactured from CAST T304 stainless steel; hand TIG welded and back-purged to ensure years of reliable performance. In addition to unleashing the power and performance of your 4.4 Twin Turbo, CTS' High-Flow Cats will make your vehicle sound like it really should. When installed with factory exhaust it produces a louder and deeper growl with a much more pronounced exhaust “crackle” on downshift. While up-shifting you will enjoy a confident “punch!” as you bang through all 8 gears. The sound will be even louder if you already have an aftermarket exhaust system. Product Details: Includes 200 cell sport catalytic converter Designed and tested on a real car in the real world Cast T304 stainless steel, TIG welded back-purged construction Replaces restrictive factory catalytic converter Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust Fitment: 2018-2021 F90 BMW M5 2018-2021 F90 BMW M5 Competition 2020-2021 F91/92/93 M8 To remove the CEL that will occur, proper stage 2 tuning software must be used.
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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
Free Shipping on orders $49 and up
Add to Wish List
$ 28.00 USD
Free Shipping on orders $49 and up
Add to Wish List
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.
Show More Show Less
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
Add to Wish List
$ 31.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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.
Show More Show Less

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