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      11-22-2012, 01:14 PM   #14
Tee-Dub
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Drives: 2008 135i
Join Date: May 2009
Location: Vancouver, WA

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No love for Maddad exhausts?

I've read that the factory 135i exhaust is very restrictive compared to the 335. Is this just regarding the downpipes, or mid pipes or the whole thing?