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> Exhaust Size, how big is too big?
post May 11, 2004 - 8:43 AM
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SlowCelica94



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I was palnning on doing the 3S swap down the road and am looking to get an exhaust now. I was thinking of trying to save money and get 3" exhaust now. Course i'm worried this will just make me sound like ass and not give me the needed backpressure. So what size piping is everyone here running? Should I just go with 2.25 piping as planned?


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post May 11, 2004 - 11:11 PM
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spunky393

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kwanza is correct, basically saying, back pressure is needed. Now, on a V8 or something, back pressure is NOT needed, but the un-stable 4 cyl. needs a little backpressure, such as BEEF's opinion, a cat would be enough back.


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