BMW F80 M3 & F82/F83 M4 Active Autowerke Equal Length Mid Pipe Available Coupon Code:"M3Parts" (Enter manually at checkout) Images displays billet aluminum version

Images displays billet aluminum version

Stock hydro-formed 80mm piping is replaced by 3

This upgrade also offers improved turbo spool as well as an increase in transient response

a top-of-the-line upgrade for your BMW F3X with B48 or B46 2

BMW F80 M3 & F82/F83 M4 Active Autowerke Equal Length Mid Pipe Available Coupon Code:"M3Parts" (Enter manually at checkout) Images displays billet aluminum versionAn inline 6 engine naturally has an evenly spaced exhaust pulse which results in a more smooth and full sounding noise. However, the twin turbo setup of the S55 engine while producing addition power has created a sound which sounds more like 2 independent inline 3's competing for noise than the throaty sound one would expect. The variance between the lengths of the front and rear down pipes of almost a foot and a half creates unevenly spaced pulses so