Valvetronic Design BMW F8x M3 / M4 Equal Length Valved Sport Exhaust System 2021-2023-audi-rs-q8-esr6915237 2015-2016 BMW 228i xDrive Base

2015-2016 BMW 228i xDrive Base 2 Door Convertible

Front Bump Stop Relocation spacers

patented design of the E-Z deflator allows for removal of the valve core for rapid tire deflation

which results in a significantly louder tone when compared to 60mm MegaPower systems

Valvetronic Design BMW F8x M3 / M4 Equal Length Valved Sport Exhaust System 2021-2023-audi-rs-q8-esr6915237 2015-2016 BMW 228i xDrive BaseWelcome to the Valvetronic Designs cat back exhaust system for the F8x platform, or in other words, the solution to the F8x sound problem. For years enthusiasts have wanted to find a solution to the buzzy and raspy sound these cars produce from the factory. Since these cars were released back in the late portions of 2014 we all knew there is world class sound lying under all the rasp. Our mission has been to find this hidden sound and allow all F8x