BMW F80 BMW M3, F82 BMW M4 Active Autowerke Mid pipes

The Active Autowerke F8X Mid Pipe was specifically designed to eliminate the highly restrictive nature of the OEM F80 M3 and F82 M4 mid pipe – thus creating optimal exhaust flow and drastically improving performance.

KEY FEATURES

• 18+ WHP over stock^*

• 30+ LB-FT over stock^*

• Improved performance from less back pressure

• Deeper & throatier exhaust note

• Less restrictive, more free flowing

• Lighter weight than factory system

• Quicker turbo spool

• Increased low end and mid-range power

• Single-pipe design eliminates cheap “weed-eater” sound from factory exhaust