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      11-14-2011, 02:37 PM   #2
dmetuning
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Drives: 2015 Frozen Grey M5
Join Date: Sep 2011
Location: New Jersey

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Quote:
Originally Posted by hyliu24 View Post
Hey guys, I recently purchased a 2011 550 and I was wondering if there was a way to leave the exhaust stock but make it louder? Lemme know if you guys know anything thanks
check out this post....

http://f10.5post.com/forums/showthread.php?t=608022
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