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      09-01-2010, 10:34 AM   #48
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Drives: 2009 e92 m3
Join Date: Mar 2010
Location: Bay Area, California

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Originally Posted by Doug007 View Post
By far, the biggest gain will be deleting that cat.
Yup, that's where a test pipe comes in...

Is a test pipe in the works as we speak?

A test pipe would really open up the exhaust. An EVO IX with an intake, header, test pipe, and a tune really turns it to a different animal. A lot of EVO owners would know that's a fact.

I know it may not be easy, but try applying the same thing to the N55...
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