Originally Posted by retrodrive
You have the Race version. Eisenmann claims that Meisterschaft does not drone so we will see. If it does drone, I will install the high-flow secondary cats.
I am keeping my stock downpipes since they provide no performance gains.
I thought high flow catted downpipes (primary) would have 20whp gain? That's what UR and RR have been saying and proving it with their dynos...