FI Exhaust F80 M3 & F82 M4 Evolution Valvetronic Exhaust Carbon Fiber The exhaust system is made

The exhaust system is made of our proprietary titanium and consists of dual-outlet mufflers with exhaust valves

AVAILABLE SIZES:

KW's sleeve kit for the F80/F82 M3/M4 allows a large range of height adjustment while retaining the factory electronic damping control

Single-pipe design eliminates cheap “weed-eater” sound from factory exhaust

FI Exhaust F80 M3 & F82 M4 Evolution Valvetronic Exhaust Carbon Fiber The exhaust system is madeFrequency Intelligent Valvetronic Exhaust System technology offers our cutting edge intelligent ECU exhaust control valve, with an emphasis on the optimization of both acoustics and performance. It is a testament to our philosophy of the ultimate union of comfort and performance experience for the driver and passengers. When the valves are fully open for maximum flow and power, it creates an exotic tone and allows for high performance. When the valves