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exhaust question

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Old 02-09-2008, 05:24 PM
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exhaust question
Im doing a cat back dual exhaust ,Should I go with 3in. or 2.5 pipes?
I have a 302.
 
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Old 02-09-2008, 05:39 PM
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I used to have a 302 in my 87 and the guy at the exhaust shop said a 3 inch would be better to let it breath a little better. I have a 351W in my truck now with 3 inch duel exhaust out the side.
 
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Old 02-09-2008, 06:50 PM
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2.25 or 2.5 dual and single 3 inch no bigger than that and that was recommended for my 351
 
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Old 02-09-2008, 07:12 PM
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2.5 for true duals 3 inch for single.

JR
 
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Old 02-09-2008, 07:26 PM
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well thanks for the info looks like i got took at the shop.
 
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