Thread: M5 muffler mod vibes
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      07-27-2016, 12:21 PM   #2
xxpanipuri
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Drives: 550i
Join Date: Dec 2015
Location: Silicon Valley, CA

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i have done the full m5 exhaust, and notice no droning etc.

i also changed out the stock 550i cross member with an m5 specific cross member, that has bushings that bolt up to the exhaust so that does help eliminiate droning etc.
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