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      02-22-2013, 02:39 PM   #35
Tim B.
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Drives: 2010 Jet Black E92 M3
Join Date: Dec 2009
Location: Baton Rouge, LA

Posts: 544
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Quote:
Originally Posted by JerryK73
Quote:
Originally Posted by Tim B. View Post
I have a Challenge Street x-pipe(no secondary cats, just primary) and a Gintani Race rear section/muffler. Was considering going to a Challenge Race x-pipe that removes the primaries.
If you do make sure you get a tune to turn off the CEL light from the removal of the cats. I have the Challenge Sport X-pipe on my car with a Remus race cat-back muffler.
Yeah, I'm running Evolve's Stage 1 right now, guess I would have to go to Stage 2. How do you like being catless? Notice the bump in power? Too loud? Any bad smell?
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