Thread: High-flow cat and rear O2

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  1. #1 High-flow cat and rear O2 
    bevernden
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    Default 03-08-2010
    I've check the archives and don't quite see what I'm looking for. I finished installing a set of ZZPerformance headers with a Magnaflow high-flow cat and now I'm getting an SES for poor cat performance. I'm about to order an Overkill PCM but want to know if it's possible to modify the program AND still get a READY status for the cat when I get my emissions tested?
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  2. #2 Re: High-flow cat and rear O2 
    Bio248
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    Default 03-08-2010
    if you set the code to 'no report' it will never come up as an SES and it will let you pass emissions.
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  3. #3 Re: High-flow cat and rear O2 
    Pontiac Warrior
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    Default 02-18-2011
    How does one program the no reprt into the computer?
    Pontiac Warrior
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  4. #4 Re: High-flow cat and rear O2 
    01gpgt01
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    Default 02-20-2011
    like this..

    2001 GT. A few here and there mods http://www.streetfire.net/video/2001...ynp_208097.htm

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