G gwatson Senior member Aberdeenshire Nov 9, 2007 #1 Following onto my header question. Does anyone have header fitted? I understand a Z3M with an M3 cat will fit a right hand drive car. So how do you think this will effect the sound of my car, remembering I have an ESS backbox on already. G
Following onto my header question. Does anyone have header fitted? I understand a Z3M with an M3 cat will fit a right hand drive car. So how do you think this will effect the sound of my car, remembering I have an ESS backbox on already. G
