Originally Posted by Eclipse Motors
How much sound dampening material is put into this? It sounds pretty muffled to me. If it was a lot louder I probably would have purchased it. I loved the TI GruppeM I had on my E46 M3 and was hoping this would be just as loud.
I agree that the GruppeM has an undeniably awesome growl, but if you plan on releaving the most restrictive part of the system on the e92 later, the primary cat, you'll be gaining more noise that way too, don't forget.