Quote:
Originally Posted by TiAg E90
Quote:
Originally Posted by E90 328i Amir
I believe most of the drone comes from the muffler being removed. Getting rid of the resonator shouldn't make a noticeable difference in drone.
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But what about sound?
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There will be some more sound, and I believe it will be more raspy. The difference in sound from muffler delete + resonator delete is much greater than from stock + resonator delete. The muffler delete kind of enhances that difference.