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Carbonized UK Stainless steel Cat-Back valvetronic exhaust for M3 & M4.
The Valvetronic system allows you to switch between being quiet and being loud with the push of a button via the included remote.
Easy plug and play set up using Our Smart electronic valve system set up.
The valvetronic technology allows an exhaust system to control the fuel flow, sound frequency, and overall performance. This allows the sports car to have higher torque at low RPMs and even higher horsepower at higher RPMs.
Demonstration video vehicle F80 M3 2016 with cat-less downpipes BY CBUK.
** CUSTOM MADE ITEM, PLEASE ALLOW UPTO 4 WEEKS**
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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