3" cat
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Joined: Nov 2004
Posts: 1,347
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From: Connecticut
Car: 86 IROC w/Danko bodykit, 1988 iroc vert, 1989 k1500 pickup 6" lift and 35" tires, 2002 chevy tahoe z71
Engine: 383 stealth ram, 305 tpi, 350 tbi, 5.3l
Transmission: T56, 700r4, 700r4, 4l460
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iTrader: (24)
Joined: Dec 2004
Posts: 712
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From: washington state
Car: 1992 Firebird v6 1992 formula v8
Engine: 3.1, 350 TPI
Transmission: both 700 r4
I have a stock cat from my 87 t/A
I have a stock Cat from my 87 T/A. I will mesure the flange this evening. But I belive it was 3 or 2.75
LMK if interested.
LMK if interested.
Thread Starter
Supreme Member

Joined: Nov 2004
Posts: 1,347
Likes: 0
From: Connecticut
Car: 86 IROC w/Danko bodykit, 1988 iroc vert, 1989 k1500 pickup 6" lift and 35" tires, 2002 chevy tahoe z71
Engine: 383 stealth ram, 305 tpi, 350 tbi, 5.3l
Transmission: T56, 700r4, 700r4, 4l460
yes i am intersted. let me know whats size it is. thanks
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