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      04-07-2011, 08:34 AM   #13
I6 + TT = FTW
Drives: 07 treetree5i
Join Date: Jan 2010
Location: Baltimore, MD

Posts: 811
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From first hand experience on my E90 325i, I can confirm that a resonator delete does nothing with the stock muffler on. But when pairing it with an aftermarket muffler, it does change the sound a bit.
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