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      04-12-2012, 01:56 AM   #18
kitw
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Drives: 2015 M4, Sakhir Orange
Join Date: Jun 2007
Location: Bay Area, CA

iTrader: (17)

Using the full header back Evolve system.

It has good quality high flow cats in the secondary cat position, similar to the Challenge Sport or Akrapovic midpipe. No stanky smelling car, but lots of extra power. Have Evolve-R tune as well to deal with the CEL. For off road purposes only. Of course.