Thread: M5 exhaust cabin noise level
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      07-08-2015, 09:59 PM   #2
TheEngineer
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Drives: 2011 BMW 550i xDrive
Join Date: Jul 2014
Location: Massachusetts

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Yeah, its right around the 1800 rpm mark. My wife is threatening to take my car back and install the stock mufflers back onto it.
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