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yeah, I noticed on ALL my setup's that punching the cat on a NA car even makes a nice difference. On a turbo car just open 3inch downpipe will PROBABLY make the best performance too.
Man you should have just gotten a straight pipe! its definitly cheaper in the long run...
But then again my car is registered in wisconsin.. NO SMOG, NO INSPECTIONS. (Although I live in Maryland)
------- A guys how in the hell did you go back this far and "accidentally" post in a 3 and a half year old post.. my god I was still in highschool when this post started.