Active Autowerke X3M and X4M Valved Rear Axle - back Exhaust (11-103B) 7100 and aggressive but without droning

and aggressive but without droning

using only the finest components from around the world

2L V8 Automatic/ Manual Transmission Rear Wheel Drive 2 Door WITHOUT NPP (dual mode exhaust)

The muffler and all pipes of the ATLAS exhaust system are constructed from aluminized steel

Note: It is strongly recommended that vehicles with catless (straight-through) downpipes use the resonator option with this equal length midpipe

Active Autowerke X3M and X4M Valved Rear Axle - back Exhaust (11-103B) 7100 and aggressive but without droningThe Active Autowerke Valved Rear Axle Back Exhaust is designed specifically for the BMW X3M and X4M (F97 F98). It addresses the stock exhaust's subdued sound by providing a deeper, more aggressive tone while retaining stock valve functionality. Made in the USA from 304 stainless steel Engineered to increase sound level and optimize exhaust flow Utilizes factory valve actuators for controlled exhaust tone Test fit on F97 F98 exhaust fixtures for