Re: Max "Y"pipe diameter on stock manifolds

From: Bob Mankin (bob@cadpros.com)
Date: Fri Oct 02 1998 - 17:08:58 EDT


Daniel Colucci wrote:
>
> Could anyone tell me the largest I can go with a "Y" pipe with the stock
> exhaust manifolds. I want to go with 2 1/2 inch pipes into a 3 inche
> system all the way back. I don't have the money to flip for the headers
> just yet but I can do the exhaust.

Dan,

I'd get nervous at 2.5" My stock Y pipe is 1.75" on a 5.2L. Your 360 ci
might handle it better, but my thinking was 2.25" would be about max
without having the bottom end go flat.

Bob



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