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      02-10-2016, 01:45 PM   #10
roadkillrob
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Drives: 08 335i,22 X3M, 2012 C63 Black
Join Date: Jul 2007
Location: Boston

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Or for 1000 less you can just do the flapper mod so it stays open all the time and sounds better, but not M performance good!

Quote:
Originally Posted by Kzang View Post
If it bothers you that much you can pay $1,000+ for a M performance exhaust like I did...



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