Catalytic length??
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
You're looking at the universal fit units.
Bad move. Save yourself $'s & headaches and get a direct-fit unit.
Bad move. Save yourself $'s & headaches and get a direct-fit unit.
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Originally posted by 2 dope
what is wrong with the universal fit>? I bought one
what is wrong with the universal fit>? I bought one
Senior Member
Joined: Mar 2003
Posts: 864
Likes: 1
From: Oakland Ca.
Car: 1988 GTA
Engine: 5.7L/L98
Transmission: 700r4
I also just bought the universal off e-bay with shipping was like $45 muffler shop will weld it in place for $50 thats $95 instead of the $249 most places want for the direct fit. When moneys an issue its less than half the cost. That is why I think alot of us go with the universal. Bad side is once its welded in PITA if you need to remove it for anything like gas tank removal. I am going to try and disconnect mine and see if I can cut and weld the universal Catco to the direct fit piping ends off the stock cat. That way I can just bolt it back in place. Anybody ever try this yet?
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The Direct fit Catco for my '89 Iroc 305 TBI (L03) is Catco part# 4115. Summit sells this part, but they don't have our application listed with it. Summits part# is CTO-4115. They have it listed as 2 1\2" inlet. It is actually a 2 1\4 inlet with ball outlet. To answer yoyur first question, it is 23" long. I am not sure which F-Body you have, but this is what the \89 L03 needed.
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