BMW F80 M3 & F82/F83 M4 Active Autowerke Equal Length Mid Pipe Available Coupon Code:"M3Parts" (Enter manually at checkout) Stock hydro-formed 80mm piping is

Stock hydro-formed 80mm piping is replaced by 3

Images displays billet aluminum version

included fuel rail

Remove the worry of crankhun failure with this crankhub

Porsche 991 TURBO / TURBO S*

BMW F80 M3 & F82/F83 M4 Active Autowerke Equal Length Mid Pipe Available Coupon Code:"M3Parts" (Enter manually at checkout) Stock hydro-formed 80mm piping isAn 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