stock exaust measurement

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08-16-09, 02:36 PM

vindedreal

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stock exaust measurement

hey guys, do any of you know what size the piping on the usdm stock exhuast is? i mean after the manifold cat ,but before the second cat.

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08-17-09, 07:13 AM

vtec-this

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iam not positive but if i had to guess i would say 2 1/2 "

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08-17-09, 10:16 AM

vindedreal

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thats what i was thinking too, but for some reason i was under the impression that the pipe size changes either before the Y or after..maybe i was wrong.

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08-17-09, 11:00 AM

moejz

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the straight piece after the cat is 2.5 inch. then it splits into 2 1/4 inch y-pieces to the buffler.

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