Quote:
Originally Posted by cssnms
Not to many for the diesel. 
Given the emissions system found on the d, removing the cat, dpf is not an option until a reflash is available. In which case I am stuck with a cat back system. Generally our exhaust note is MUCH quiter than the 335i, almost non existent in fact. So I am hoping to find a way to improve the note.
Perhaps a larger diameter pipe (3") from the cat to a resonator instead of a muffler will do the trick? |
Not entirely sure if I followed you, but check out this guys Youtube channel
http://www.youtube.com/user/Dieseltok, seems he left the dpf at home.