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The BMW 640i B58 2016+ Catless Downpipes is $999
Should I get an ECU tune with downpipes
Typical build time is 2-4 weeks with free worldwide shipping
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com/products/bmw-f85-x5m-2015-catless-downpipes"}]} Frequently Asked Questions
BMW X4 M40i B58 2016+ Catless Downpipes | YPG Motorsport M133 The BMW 640i B58 2016+BMW X4 M40i B58 2016+ Catless Downpipes catless high flow downpipes built to unlock the true potential of your BMW X4 M40i B58 3. 0L single turbo inline 6 (2016+). Removing the restrictive factory catalytic converters and replacing the sound muting plumbing allows exhaust gases to exit the turbos far more freely, improving spool, response, and total power output. Manufactured in Germany from premium 304 stainless steel and fully mandrel bent with TIG
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