Active Autowerke Rear Exhaust System 3 Can W/ Valves (Maad Maxx) - 2014+ M3 / M4 (11-073B) DRIVE_AWD 8 2009-2012 (35U-00-0600-6)

8 2009-2012 (35U-00-0600-6)

Weighs up to 50% less than the original hood panel

Z61-XTR6 kit features an Xtreme pressure plate for the most demanding driver

Road-Tested by Bilstein

Active Autowerke Rear Exhaust System 3 Can W/ Valves (Maad Maxx) - 2014+ M3 / M4 (11-073B) DRIVE_AWD 8 2009-2012 (35U-00-0600-6)The Active Autowerke Rear Exhaust System 3 Can with Valves (Maad Maxx) is designed specifically for the 2014+ F80 BMW M3 and F82 BMW M4. Engineered to improve exhaust flow and sound, this axle back system replaces the factory rear exhaust to provide a deep, refined tone suited for an "M" car. Constructed in the USA Valved exhaust design for adjustable flow Double canned mufflers reduce resonance Flex joints present to minimize vibration Test fit on