LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Running one cat on my car should i be running two? 95 formula

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Old Jul 21, 2004 | 01:44 AM
  #1  
kyzer soze's Avatar
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From: Los Angeles, CA
Question Having a problem with my cat converter,used the search button already still need help

Whats up guys i have a 95 formula which was a single cat car. Well my cat died on me awhile ago and plan on getting a new one (carsound). Should i just run one cat or run two? Why would i run two cats if it was a single cat car before? I have jet hot lt headers, 3" carsound cat, and gmmg catback. My car hasn't been tuned for the headers.

Thank you

Last edited by kyzer soze; Jul 21, 2004 at 11:21 AM.
Old Jul 21, 2004 | 11:21 AM
  #2  
kyzer soze's Avatar
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Re: Running one cat on my car should i be running two? 95 formula

Can anyone help?
Old Jul 21, 2004 | 11:25 AM
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Re: Running one cat on my car should i be running two? 95 formula

Unless you have to pass emissions I wouldnt run any cats at all. And I take you dont, because you wont pass with LT's.
Old Jul 21, 2004 | 11:27 AM
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Re: Running one cat on my car should i be running two? 95 formula

I just saw that it says you live in Cali., so again I dont know how you'll pass the emissions test with LT's.
Old Jul 21, 2004 | 05:39 PM
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kyzer soze's Avatar
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Re: Running one cat on my car should i be running two? 95 formula

Im not really worried about passing emissions with lt's. Tons of people i know pass i just wasn't sure if my car should have one or two cats.
Old Jul 21, 2004 | 07:08 PM
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crAzy95z28's Avatar
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Re: Running one cat on my car should i be running two? 95 formula

lol i passed my emissions with my cam and no egr, and no air pump with LT headers!!! but i added another cat to make ti 2 cats instead of one on my OBD1 car......
pretty strange huh, but yet i failed bc my tint was too dark
so had to take off side tint and now my windows (rolled up) can confuse a fly mistaken it as if it were down!!!
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