CTS BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 4 Series F36 (2015+)

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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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CTS High-Flow Catalytic Converter/Downpipe - N26
CTS High-Flow Catalytic Converter/Downpipe - N26
For vehicles equipped with an N26 engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTS - Corporate Logo
T#:27871827
Part#: CTSEXHDP0054CAT
Ships in 8 Business Days
$ 429.99 USD
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$ 429.99 USD
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The CTS Turbo High-Flow Cat for the BMW BN26 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential!

Precisely designed and tested on a real car in the real world T304 stainless steel, TIG welded back-purged construction Replaces restrictive factory downpipe with high-flow 200-cell catalytic converter Great power upgrade with uncompromising performance Incredible sporty exhaust sound, subtle when cruising No drone with factory exhaust Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance.

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CTS Turbo Catted Downpipe - All 1/2/3/4/5/6/7 Series B58
CTS Turbo Catted Downpipe - All 1/2/3/4/5/6/7 Series B58
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTS - Corporate Logo
T#:589514
Part#: CTSEXHDP0024CAT
Ships in 8 Business Days
$ 459.99 USD
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$ 459.99 USD
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Maximizes exhaust flow for uncompromising performance.
CTS Turbo Midpipe Ugrade - BMW F3X 340/440i B58
CTS Turbo Midpipe Ugrade - BMW F3X 340/440i B58
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTS - Corporate Logo
T#:50899211
Part#: EXH-TP-0029
Ships in 8 Business Days
New Item
$ 599.99 USD
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$ 599.99 USD
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The CTS Turbo F-series B58 80mm Midpipe Upgrade is designed to improve exhaust flow, enhance performance, and bring out the signature B58 throaty sound. The factory midpipe is resonated, so CTS developed their high-flow replacement to increase throttle response, sharpen turbo spool, and add a deeper, more refined exhaust tone. This midpipe is made from T304 stainless steel and is a direct bolt-on fit, integrating seamlessly with OEM components for easy noticeable gains in sound and performance. Whether your car is stock or tuned, the CTS B58 Midpipe Upgrade is a must-have to unlock the full character of your F-series BMW.
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