Originally Posted by mapezzul
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.
Arvin Meritor makes the GTS exhaust. Where did you hear that BMW is going to release individual GTS parts?