Originally Posted by ersin
Better would be one of the titanium exhausts, like Akrapovic, but EPA compliant. If they did this the comp package would be a real bargain and I bet would be a better seller. No need for the GTS except for hard-core racers.
Akrapovic is the GTS exhaust if sources are correct- the issue is the 4.4 spews more crap and the catalysts the EPA needs can't handle it.
BMW Performance is working on bringing in some of the GTS parts from what we have gathered... we shall see.