BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 4 Series F32 (2014+)

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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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Prosport Performance - Corporate Logo
T#:385019
Part#: HEA-WRAPKIT-50
In Stock
$ 49.99 USD
Free Shipping on orders $49 and up
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 Performance - Corporate Logo
T#:385025
Part#: HEA-WRAPKIT-25
Ships in 2 Business Days
$ 29.99 USD
Free Shipping on orders $49 and up

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 Performance - Corporate Logo
T#:385020
Part#: HEA-GWRAP-15
Back Ordered
$ 33.99 USD
Free Shipping on orders $49 and up
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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BMW N26 Sports Series 4" High Flow Catted Downpipe
For vehicles with the N26 SULEV engine only - will NOT work with the N20 Engines!
Evolution Racewerks - Corporate Logo
T#:597064
Part#: BM-EXH010CAT
Ships in 8 Business Days
$ 895.00 USD
Free Shipping
$ 895.00 USD
Free Shipping
High Flow 200 Cell Metallic Catted Downpipes from Evolution Racewerks for your N26 BMW engine

Prosport Performance - Corporate Logo
T#:385017
Part#: HEA-WRAPKIT-WHT
In Stock at Vendor
$ 31.99 USD
Free Shipping on orders $49 and up
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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Prosport Performance - Corporate Logo
T#:385018
Part#: HEA-WRAPKIT-BLK
Ships on Sep 21, 2026
$ 28.00 USD
Free Shipping on orders $49 and up
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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Evolution Racewerks - Corporate Logo
T#:558983
Part#: BMEXH018C
Ships in 8 Business Days
Starting at $ 945.00 USD
Free Shipping
Starting at $ 945.00 USD
Free Shipping

Want to install a downpipe on your B58 equipped BMW, but still need to pass emissions? Evolution Racewerks has the answer for you with their B58 Catted downpipe. The Evolution Racewerks Competition Series Catless Downpipes is constructed from 304 stainless steel, featuring mandrel bent piping.  These are 100% TIG welded by in house fabricators and built in the USA! 

The factory turbocharger turbine housing utilizes a V-Band flange which has been duplicated and CNC machined cut out of billet 304 stainless steel. Stainless Steel CNC machined O2 sensor and laser cut brackets are TIG welded using stainless steel rods. The O2 sensor remains positioned at the factory location. Also, since Evolution Racewerks uses a larger 4.5" pipe right after the turbocharger, turbo backpressure is significantly reduced, resulting in less exhaust turbulence and backpressure which again improves throttle response and decreasing turbo lag.

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Evolution Racewerks - Corporate Logo
T#:29267518
Part#: BM-EXH019CAT
Ships in 8 Business Days
$ 895.00 USD
Free Shipping on orders $49 and up

Crafted to enhance the exhaust flow of your B46-equipped BMW, this downpipe is equipped with a 200-cell high-flow catalytic converter and mandrel bent 4" piping. With a sleek brushed steel finish, this downpipe is constructed entirely from 100% stainless steel and TIG-welded for ultimate durability, surpassing the factory catalyst.

Key Features:

1. Elevated initial torque curve 2. Enhanced throttle response and quicker turbocharger spooling 3. Precisely CNC machined turbocharger V-band flange 4. Maintains the factory "ball-type" v-band connector 5. Compatible with both factory and aftermarket exhaust systems 6. Tested for durability on the track 7. Proudly made in the USA

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