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Originally Posted by JerryK73
Quote:
Originally Posted by Tim B.
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.
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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?