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Exhaust Questions

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Old 09-03-2009, 09:37 PM
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Hello All. i am replacing exhaust from header back. Using a new header, flowmaster muffler and all new tubing. My questions are tubing size, and high flow versus factory replacement cat. what is everyone else running? thx Shane
Old 09-03-2009, 10:19 PM
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2.5" all the way. from what i've heard hi flow cat's don't always do much for jeeps. and i'm not sure about aftermarket hi flow cats passing emissions. i bought an aftermarket cat that was said to be an OEM replacement.

what header are you using?
Old 09-03-2009, 10:37 PM
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Pacesetter, i wish now that i had went with a little better one, but at least it isnt busted like my stock one.
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