1992 f-150 exhaust

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Mar 17, 2016 | 06:25 PM

ffopus

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Joined: Mar 2016

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1992 f-150 exhaust

what are the advantages or disadvantages of running a 2-1/2" exhaust vs a 2-1/4" on a stock 302. would run from y-pipe back eliminating cat.

Mar 18, 2016 | 03:12 PM

Alanah_Rae

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Joined: Jul 2015

Posts: 338

From: Brooklyn, USA

Welcome on a board !!

Mar 19, 2016 | 06:54 PM

greasemark

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Joined: May 2011

Posts: 717

From: Colorado, near Denver

Probably not a lot; the exhaust backpressure will be very much lower without the cat, but this shouldn't be a problem for the egr, as it is the sonic egr system.

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