CAT size

Loochy88

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Join Date: Nov 2001

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#1

CAT size

02-20-2002, 01:37 AM

what are the stock sizes on the pipes going in and out on a 3.8? What cat should i get? any recomendations?

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Dominic

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Join Date: May 2001

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#2

02-20-2002, 01:44 AM

Stock pipe (S pipe) coming from the manifolds to the cat is 3" and enters the cat.

The cat constricts from 3" to 2.25", exiting out a 2.25" pipe to the muffler and out the tailpipe.

A Cat converter between 2.5" and 3" is optimal.

2002 5-spd NBM Camaro
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