size of civic si factory catback exhaust?

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04-17-2003, 01:54 PM

MeanGreenEG9

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size of civic si factory catback exhaust?

I'm thinkin of replacing my greddy evo with a stock exhaust... does anyone know if the 99-2000 civic si catback piping and muffler is any bigger than the civic ex pipes? if so by how much? tia.

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04-17-2003, 01:57 PM

poison

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Re: size of civic si factory catback exhaust? (B16aEJ)

I believe Civic EX pipes are 1.75, and the Civic Si is 2"

I would get a 2.25" exhaust.

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04-17-2003, 02:12 PM

EpDarks

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Re: size of civic si factory catback exhaust? (poison)

Yes 2" is correct.

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