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      07-20-2009, 01:28 PM   #2
yomama69
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Drives: 2007 E90 335i
Join Date: Jan 2009
Location: Austin, Texas

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Quote:
Originally Posted by Beancounter1 View Post
I installed a Eisenmann Race exhaust on my E90 lst week. Love the sound above 3000rpm and idle noise is perfect BUT I'm really struggling with drone sound between 2000 and 3000 rpm.
Anyone else have similar experience? Does it get better or worse as unit is driven in? I've heard that exhaust will actually get louder after 4000kms so is my issue going to get worse?!?
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