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      12-11-2014, 09:47 PM   #10
AshDrivesMs
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Drives: F10 M5
Join Date: Feb 2007
Location: Dublin, CA

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Have the same question as the OP regarding how it sounds. Has anyone done this without any other aftermarket parts?
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Current: 2013 M5, 2012 Jeep Rubicon
Retired: 2008 M3 coupe, 2007 Z4 M Coupe, 2003 350Z
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