big downpipe with small cat

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Oct 2, 2007 | 05:22 PM

93(Civic)EG6

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From: USA

big downpipe with small cat

I have a 2.5 inch downpipe and a 2 inch catback exhaust. Will I be able to mount a 2.5 inch inlet and outlet catalatyic convertor to the b-pipe?

Oct 2, 2007 | 05:27 PM

Padawan

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From: Mustafar

Re: big downpipe with small cat (93(Civic)EG6)

Yes, though I'd suggest purchasing a tapered adapter to reduce the bottleneck.

Oct 2, 2007 | 05:28 PM

93(Civic)EG6

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Re: big downpipe with small cat (Padawan)

so the drilled bolt holes will line up for the cat and the b-pipe?

Oct 2, 2007 | 05:35 PM

Padawan

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From: Mustafar

Re: big downpipe with small cat (93(Civic)EG6)

Yes, the flange bolt patter is the same.

Oct 2, 2007 | 06:27 PM

silentdeath12886

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From: PA, usa

I got a custom cat done by SMRP? i have the JDM ITR header with 2.5" outlet and a S2 exhaust with 2.36" ID. So i have to get it necked down.

Oct 2, 2007 | 08:21 PM

Padawan

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From: Mustafar

Re: (silentdeath12886)

SMSP is the company, and yes, they should be able to get you a cat that will bolt-on.

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