Quote:
Originally Posted by F80SRT
I kind of have to disagree that you won't notice much. I removed both of mine and it was significant enough turning off active sound was a must.
I don't disagree that secondary cats are more restricted thus even more sound, but removing both resonators does make a noticeable difference if you ask me.
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The level of sound can be subjective. When I say much it's in reference to deleting the cats which make the most impact. Personally, if I were doing an exhaust upgrade I would want the car loud and at the same time pleasurable to the ears. For some a midpipe replacement would suffice. For me I'm going for the full Remus exhaust setup, replacing the cats, resonators, and mufflers.