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Thread: Cat Bypass Pipe

  1. #11
    Senior Member Bruce Johnson's Avatar
    Join Date:  May 2011

    Location:  NorCal Ben Lomond

    Posts:    205

    My VIN:    1420

    Club(s):   (NCDMC) (DCUK)

    Had 6 of these and now have 2 left. Figured I'd throw mine in since I'll never be able to use it on my car here in Ca.

  2. #12
    Senior Member DMCVegas's Avatar
    Join Date:  Oct 2011

    Location:  Las Vegas

    Posts:    2,429

    My VIN:    6585

    Club(s):   (DOA) (DCUK)

    Quote Originally Posted by Gregadeth View Post
    With the cat bypass in place, would a car have any chance at passing California smog? Asking for a friend
    No. Even if you lowered the hydrocarbons, the exhaust gas test still checks for nitrous oxide & oxgen content. Not to mention the visual inspection portion before that would result in an automatic fail.

    Wake me when hockey season returns...

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