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  1. #1
    Junior Member
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    Red
    2007 Z06 Corvette

    tricks to passing emissions

    hey im about to install jet hot long tube headers and an off road y which right off the bat will be illegal cause im not runnin cats... anyone have any suggestions on how to pass the emissions tests?

  2. #2
    Modding is an Addiction bww3588's Avatar
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    Chillicothe, Ohio
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    Quote Originally Posted by AFix03
    hey im about to install jet hot long tube headers and an off road y which right off the bat will be illegal cause im not runnin cats... anyone have any suggestions on how to pass the emissions tests?
    as long as they dont do sniffer or visual tests you should be fine, as long as you delete the cat codes from the ECM.

  3. #3
    Token V6 Guy
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    Silver
    2000 Grand Prix GTP

    you'd basically need to install o2 sims or get tuning for it...basically to removed teh codes for the cats as well as the rear o2's...thats as long as you find a place thats willing to pass you even though you dont have cats on your car.
    Last edited by foff667; 10-14-2005 at 09:36 AM.
    Support for HPTuners

  4. #4
    Dreamin of a Paint Job... XtinKt's Avatar
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    Silver
    2000 WS6 Trans Am

    install fake Cats. They sell them. Just don't remember where. Maybe Summit

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