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Evolution Racewerks BMW Exhaust Parts, Mufflers & Catalytic Converters

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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BMW N26 Sports Series 4" High Flow Catted Downpipe

For vehicles with the N26 SULEV engine only - will NOT work with the N20 Engines!

T#:597064

Part#: BM-EXH010CAT

Ships in 8 Business Days

$ 895.00 USD

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$ 895.00 USD

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High Flow 200 Cell Metallic Catted Downpipes from Evolution Racewerks for your N26 BMW engine

Sports Series 4" High Flow Catted Downpipe

T#:3062301

Part#: BM-EXH009CAT

In Stock

$ 995.00 USD

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$ 995.00 USD

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Key Features: High Flow 200 cell metallic catalytic converter used. Better throttle response and faster turbo spool-up times. Mandrel Bent 4" piping. Smooth transition to the exhaust system. 100% Stainless Steel Construction 100% TIG welded for better quality welds Precision CNC machined turbocharger V-Band flange. Brushed Finish (standard) Compatible with factory or aftermarket exhaust systems. Track-tested durability. Includes all hardware for complete installation. Limited Lifetime Warranty. THIS ITEM IS NOT FOR SALE, INSTALLATION, OR USE ON LICENSED VEHILES IN THE STATE OF CALIFORNIA.

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Evolution Racewerks High Flow Catted Downpipe - B58

T#:558983

Part#: BMEXH018C

Ships in 8 Business Days

Starting at $ 945.00 USD

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Starting at $ 945.00 USD

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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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B46 High Flow Catted Downpipe - Thermal Coated Black Finish

T#:14155795

Part#: MI-EXH001TBCAT

Ships in 8 Business Days

$ 995.00 USD

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$ 995.00 USD

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B46 High Flow Catted Downpipe - Polished Finish

T#:14155794

Part#: MI-EXH001PCAT

Ships in 8 Business Days

$ 945.00 USD

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$ 945.00 USD

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B46 High Flow Catted Downpipe

T#:14155793

Part#: MI-EXH001SCAT

Ships in 3 Business Days

$ 895.00 USD

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$ 895.00 USD

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Evolution Racewerks Performance Downpipes - F97 X3M, F98 X4M ...

T#:599274

Part#: BM-EXH025

Back Ordered

Starting at $ 1,195.00 USD

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Starting at $ 1,195.00 USD

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On a turbocharged vehicle, any restriction in the exhaust system reduces peak horsepower. By removing the factory catalytic converter, most of this restriction is removed gaining advantages in more than just peak horsepower. The factory downpipe, while excellent for maintaining strict emission regulations, does nothing to unlock the performance of a turbocharged engine. Due to an internal honeycomb structure that the exhaust gasses must pass through, flow is massively reduced. Additionally, this honeycomb causes turbulence after the converter which slows exhaust flow even further and causes more restriction. If you've ever tried to blow through a coffee straw, you know how your car feels. This not only limits how fast the turbo can spool or come up to speed but also how much air it can move in general. When the internal honeycomb structure is removed in favor of a straight and hollow piece, these issues are alleviated. Not only can the turbocharger come up to max rpm faster, is does this more efficiently and with less work since there is no back-pressure against the turbine wheel. Turbo lag becomes a thing of the past and because of this, the powerband shifts and massive top-end gains can be felt. Constructed out of 100% 304-grade stainless steel and fully mandrel bent, you can be sure that as much time has been put into construction as development. They are 100% TIG welded by in-house fabricators and built in the USA. The factory turbocharger turbine housing utilizes a V-Band flange which Evolution have 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 and the O2 sensor is positioned at the factory location.

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Evolution Racewerks BMW Exhaust Parts, Mufflers & Catalytic Converters

BMW N26 Sports Series 4" High Flow Catted Downpipe

Sports Series 4" High Flow Catted Downpipe

Evolution Racewerks High Flow Catted Downpipe - B58

B46 High Flow Catted Downpipe - Thermal Coated Black Finish

B46 High Flow Catted Downpipe - Polished Finish

B46 High Flow Catted Downpipe

Evolution Racewerks Performance Downpipes - F97 X3M, F98 X4M ...

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