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      08-11-2010, 09:28 AM   #31
E60orBust
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Drives: "The Brothers //M-Sport" E90/2
Join Date: Jul 2007
Location: MD

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Quote:
Originally Posted by stefan View Post
This sounds exactly like you'd expect it to--like there's a hole in the exhaust system. Although this is normally caused by rust or a muffler falling off.. not a modification.
What is the difference between this, muffler delete, and straight pipes?
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