Active Autowerke F22 M235i Performance Valved Rear Exhaust GEN 2 M4 while virtually eliminating the "dueling

while virtually eliminating the "dueling 3-cylinders" sound

Reduced turbo lag

-Part Throttle Remapping-Specific Software available for CAIS-Increase in Torque and Horsepower-Sport Button remains on when car is turned off

year-1996-make-bmw-model-m3

SIMON 4 cable is needed to work with the Active Data Logger in making the connection with your BMW

Active Autowerke F22 M235i Performance Valved Rear Exhaust GEN 2 M4 while virtually eliminating the "duelingTrue BMW performance, durability, and attractive weight advantages with innovative features places the Active Autowerke BMW F22 235i exhaust in a class of its own. And now Active Autowerke has developed Gen 2 of this model which has been enhanced to take advantage of the OEM valve system. This system is constructed from 100% Brushed 304 stainless steel and features adjustable brushed, black or carbon Active Autowerke double walled tips, making it