Exhaust Post your questions and suggestions about stock or aftermarket exhaust setups. Third Gen exhaust sound files and videos!

need help !!!!

Jul 7, 2002 | 09:27 PM

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Joined: Jan 2001

Posts: 108

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From: KNOXVILLE,TN.USA

Car: 1991 firebird

Engine: lo3 305 TBI

Transmission: 700r4

need help !!!!

does anyone know what size the exhaust pipe is coming out of the cat on a 91 firebird. I am going to cut of the cat and was ust wondering.

Jul 7, 2002 | 09:48 PM

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Joined: Jul 1999

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2.25"

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