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      09-12-2013, 05:40 PM   #10
E90 328i Amir
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Drives: 2009 E90 328i
Join Date: Sep 2012
Location: L.A.

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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.
But what about sound?
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.
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