Active Autowerke G87 M2 Signature Equal Length mid-pipe**This product is a part of the Active Autowerke Motorsport Collection. It is for RACE and OFF ROAD USE ONLY! Active Autowerke is proud to release our patented Signature Equal Length Mid Pipe for the BMW G87 M2. This brings our expertise with developing the first equal length mid pipe from the F8X M cars and the G80 G82 M cars. It provides the advantages of an equal length exhaust system with a smoother high rev sound. BMW provided an equal length