BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW A90 MKV Supra B58 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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Active Autowerke Full Exhaust System - A90 Supra
Please call in with VIN before purchase
Active Autowerke - Corporate Logo
T#:2542968
Part#: 11-565
Ships in 4 Business Days
$ 2,089.99 USD
Free Shipping
$ 2,089.99 USD
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The A90 Supra exhaust system features a single 3.5 midpipe which improves flow while providing an aggressive tone to the exhaust note. The Brushed Stainless single-exit tips give this exhaust a high cosmetic appeal. This system maintains the factory valve, allowing you to be stealthy for those early mornings and long drives.
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Active Autowerke - Corporate Logo
T#:588008
Part#: A90CATDP
Ships in 4 Business Days
$ 1,424.99 USD
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$ 1,424.99 USD
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This downpipe has been proven to increase power by 18hp with a stock tune and upwards of 50hp with an aftermarket tune!
Evolution Racewerks - Corporate Logo
T#:44529448
Part#: TO-EXH001CAT
Ships in 8 Business Days
Starting at $ 945.00 USD
Free Shipping on orders $49 and up
Starting at $ 945.00 USD
Free Shipping on orders $49 and up
Restrictions in the exhaust system rob horsepower and torque, especially on turbocharged cars. Thus, removing exhaust flow restrictions will increase horsepower and torque significantly. The factory catalytic converter found in the factory downpipe is a big culprit of this and is a major exhaust flow restriction. Evolution Racewerks' Sports Series 4.5" High Flow Catted Downpipe is the perfect solution to improve your BMW's power capabilities! Featuring a high-flow 200-cell metallic catalytic converter and 4.5"/4" mandrel-bent piping, this downpipe is designed to provide the highest exhaust flow possible without triggering a Check Engine Light. Additionally, this downpipe can be used with your stock or aftermarket* exhaust systems, eliminating the need to have a muffler shop adapt this downpipe to your existing exhaust system.
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Active Autowerke - Corporate Logo
T#:51426480
Part#: 11-565C
Ships on Oct 23, 2026
$ 2,374.00 USD
Free Shipping
$ 2,374.00 USD
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Performance Meets Precision: The Active Autowerke A90 Supra Exhaust Building on three decades of BMW tuning expertise, Active Autowerke is proud to offer a premium exhaust solution for the A90 Supra. This system utilizes a massive 3.5 inch midpipe to maximize exhaust flow, resulting in documented gains of 12 to 15 horsepower across the entire RPM range. Premium Construction: Fully 304 brushed stainless steel with Torca style clamps for a leak-free seal. OEM Integration: Retains factory valve functionality for adjustable sound levels. Custom Fit: Includes height-adjustable brackets to ensure perfect alignment during installation. Signature Style: Features 100mm embossed double-walled carbon fiber tips for a bold rear profile. Option 3: Short & Direct (Best for a "Quick Specs" Box) Upgrade your A90 Supra with Active Autowerke’s Signature Single-Exit Exhaust. Proven Power: Increases of 12 to 15 horsepower and improved torque. Maximum Flow: Large 3.5 inch stainless steel midpipe. Valved Control: Keep your factory stealth mode for long hauls or early starts. High-End Finish: 100mm signature carbon fiber tips with embossed logo. Easy Install: Height-adjustable mounting brackets and high-quality Torca clamps included.
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Active Autowerke - Corporate Logo
T#:51426479
Part#: 11-565B
Ships on Oct 23, 2026
$ 2,127.00 USD
Free Shipping
$ 2,127.00 USD
Free Shipping
Performance Meets Precision: The Active Autowerke A90 Supra Exhaust Building on three decades of BMW tuning expertise, Active Autowerke is proud to offer a premium exhaust solution for the A90 Supra. This system utilizes a massive 3.5-inch midpipe to maximize exhaust flow, resulting in documented gains of 12–15 horsepower across the entire RPM range. Premium Construction: Fully 304 brushed stainless steel with Torca-style clamps for a leak-free seal. OEM Integration: Retains factory valve functionality for adjustable sound levels. Custom Fit: Includes height-adjustable brackets to ensure perfect alignment during installation. Signature Style: Features 100mm embossed, double-walled tips for a bold rear profile. Option 3: Short & Direct (Best for a "Quick Specs" box) Upgrade your A90 Supra with Active Autowerke’s Signature Single-Exit Exhaust. Proven Power: +12–15 HP and increased torque. Maximum Flow: 3.5" stainless steel midpipe. Valved Control: Keep your factory "stealth" mode for long hauls or early starts. Durability: 100% 304 brushed stainless steel construction. Easy Install: Height-adjustable brackets and high-quality Torca clamps included. Key Improvements Made: Flow: Changed "3-1/2" to "3.5-inch" for better readability. Benefits-First: Highlighted the HP gains and the factory valve retention, as these are the biggest selling points for Supra owners. Professionalism: Cleaned up the "100% 304 stainless steel" phrasing to sound more authoritative.
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