Thread: N20 Muffler Delete Drone Solution?
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      10-02-2019, 07:41 PM   #2
328isquick
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Drives: 2013 328i xdrive n20
Join Date: Aug 2019
Location: Chicago

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I had an exhaust shop replace my muffler with a vibrant ultra quiet resonator, and it sounds great with absolutely zero drone.
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