Active Autowerke Signature Single Mid-Pipe with G-Brace - G87 M2Part of the Active Autowerke Motorsport Collection RACE & OFF ROAD USE ONLY Unlock the sound your G87 M2 was meant to have. The Active Autowerke Signature Single Mid Pipe delivers a deeper, more aggressive exhaust note, transforming the factory tone into a rich, resonant growl worthy of an M car. Drawing from AAs proven designs on the F8X and G8X platforms, this mid pipe optimizes exhaust flow while bringing out the signature character of the S58