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Discussion Starter · #1 ·
I wanted to know who doesnt have a CAt installed on their Tibby with a Turbo installed.
I wanted to know how loud its gonna be because usually Turbo charged cars are not as Loud!!!


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I don't know if this will be any help, as I'm forced induction too (just in a different way) but I don't have a cat, I had it removed when I had the 4-2-1 headers and new exhaust put in.

It was a bit louder than the stock setup, but didn't get any louder once the s/c was on.

Mind you, the other half knows when I come home coz the kitchen windows rattle with the exhaust note! <img src=/images/forums/snitz/smile.gif width=15 height=15 border=0>


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Hey,

Quick little throw out here. Dont actually remove the cat if your gonna get rid of it. Drill out that little brick like thing in there. (if your still going to drive street, and want to look legal.) For me it hasnt really added to much sound. Noone outside of my friends and I can tell, thats cause we did it.


<hr width=60% noshade size=1 align=left>98' Silver Tib FX
2 JL 12" w3d4's, 600 watt amp
Alpine CD head deck
Weapon R Dragon Intake
NGK plugs
4 guage wiring for sound
More mods to come
 

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Several high-powered turbo cars here in New Mexico have used a "gutted cat" and passed the sniffer emissions tests with flying colors. The key is proper tuning and a turbo that doesn't spool much when they're doing the free-rev test :)

-Red-
 

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I'm using a 3" exhaust from the turbo back with a 3" high flow cat. The type of fuel i'm using on the street here, is high enough, that it burnt the screen wiring that you will find on either end of the cat converter, straight off. You will find that no a turbocharged car, it's not the cat that keeps the noise down, but rather a baffle, or what i call a "hot dog" style resonator (i don't use one, and so my car is loud, even when on boost). Before the wire in the cat converter got burnt out, it still sounded the same, only a slight bit less polutive at the street lights. Now, it's a damn stinker, and i pray for the poor souls beside or behind me <img src=/images/forums/snitz/smile.gif width=15 height=15 border=0>


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