Need Help Passing Inspection CT SC'd Catless - Page 2
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Thread: Need Help Passing Inspection CT SC'd Catless

  1. #11
    Top Dawg!! bfaided1984's Avatar
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    Quote Originally Posted by 9thgenBae View Post
    Damn so i am pretty much screwed unless i can find a shop that doesnt care or doesnt realize the 2 checks are incomplete. And by what youre saying, even getting a catted downpipe installed will not help me at all due to aftermarket MAP and the tuning correct? Its getting to the point where i wish i could just swap the downpipe and pass. I really dont want to go back to NA just to pass
    If you can get the 02 sensors to work with a catted downpipe then you should be ok.
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  3. #12
    One Bad Mama Jama!!! BWill9886's Avatar
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    Quote Originally Posted by 9thgenBae View Post
    Damn so i am pretty much screwed unless i can find a shop that doesnt care or doesnt realize the 2 checks are incomplete. And by what youre saying, even getting a catted downpipe installed will not help me at all due to aftermarket MAP and the tuning correct? Its getting to the point where i wish i could just swap the downpipe and pass. I really dont want to go back to NA just to pass
    Hey, if you can find a shop that plays loose like that more power to you.

    But yes, having a cat really only helps you if you have to pass a sniffer test (and obviously it helps with not throwing secondary o2 codes).

    Good luck to you and let this be a cautionary tale for anyone else living in an emissions area. Consider these issues in advance, rather than waiting until the last minute!
    2013 RR Si Sedan - Modified RSX/8th gen CT-E supercharger and 2.25" IMT aftercooler

  4. #13
    Platinum Member Civi9's Avatar
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    Quote Originally Posted by BWill9886 View Post
    Anyone attempting this should be VERY careful and be ready to have flashpro open to check all your vitals. Having the supercharger still on there throws off airflow the engine is expecting to see. Especially if you have an aftercooler. You do not need to mess with the fuel pump though. Works 100% fine in a stock car given how the fuel system works.
    I may be wrong, but I assumed that the supercharger essentially becomes an intake manifold if it's always in bypass mode. The engine should be able to adjust to any difference in air cubic volume change, due to the difference in it versus the stock intake manifold. I've heard multiple people doing this safely, in order to get inspected.

    Now, I do agree that first startup, I would be watching with flashpro and a laptop. lol.... I'm paranoid about my Si! Love the thing way too damn much.
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