Originally Posted by BMRLVR
Man you really are an idiot!!!! It is well documented by numerous dyno runs (that you can view in the dyno database at bimmertech) that a full exhaust does indeed add 20 to 30 WHP, if not more in some cases.
By the way, the GTS don't have a full exhaust, it has a different rear muffler. The mid section is the same as any other M3 including those restrictive primary cats that when removed are the source of the gains.
I think this is that moron wallstreet that got banned like a month ago. Same MO - everyone is committing fraud, M designed everything perfectly, blah blah.