2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Stock exhaust pipe size

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Old Jul 3, 2003 | 09:24 AM
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abarlas's Avatar
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From: Chicago North suburbs
Stock exhaust pipe size

What's the stock exhaust pipe size on a 87 N/A 5-speed RX-7? Is it 2 1/4 going into the catalytic converter or 2 1/2? Looking to replace the stock exhaust system.
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Old Jul 3, 2003 | 09:26 AM
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From: Laredo, Tx
I think it is 2" not sure though. Check the stickeis they might have the info.
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Old Jul 3, 2003 | 10:35 AM
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From: Everywhere, WRLD
I do believe it's only 2" (MAYbe 1 3/4")...I forgot to measure and I threw the stuff away already. But remember it's got lots of crush bends in it so it's not uniform (aka...crap).
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Old Jul 4, 2003 | 02:42 PM
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From: Zeeland/Holland ,Michigan
Hmm.

I belive its the Y bar thats 2", im not sure, i think off the cat its 2.5
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