Description
The Fabspeed Valvetronic Exhaust System for the BMW M3/M4 delivers a smooth, refined exhaust note with gains of 19whp and 31 ft-lbs of torque at 3,300 RPM. Built from 2.75″ T304L stainless steel with dual x-pipes and factory valve integration, it enhances both performance and drivability without added rasp.






Reviews
There are no reviews yet.