"Mentioned: 0 Post(s) Tagged: 0 Thread(s) Quoted: 0 Post(s) Quote: Originally Posted by gotKRAUT i dont see why straighter flow is a problem? and the exhaust from the manifold back is just the stock E36 cat, you have to massage the heat shield a tad, and put a little indent in the pipe to clear the sway bar. we did the swap not \"some shop he is the shop hes the service writer/parts manager the" . . . .