Y-pipe diameter? - G35Driver - Infiniti G35 & G37 Forum Discussion

May 28, 2007 | 12:55 AM

johnsonhuang

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From: San Francisco, CA

Y-pipe diameter?

anyone know the size of the pipe? was planning to get a e-cut out for my 03.5 sedan and was wondering how big the pipe has to be for the y-pipe to fit.

May 28, 2007 | 01:14 AM

gary c

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From: Valencia, Ca

How big's your pipe?

I believe most y-pipes are 2 1/2" in diameter. Any larger would diminish your
low end torque unless you go FI........them's the rules!

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