Active Autowerke X3M and X4M Valved Rear Axle - back Exhaust (11-103B) 7100 13WHP / 9WTQ Peak Gain
Active Autowerke X3M and X4M Valved Rear Axle - back Exhaust (11-103B) 7100 13WHP / 9WTQ Peak GainThe 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
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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8