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2004-2007 Cadillac CTS-V Performance Mods Discussion, Cats in Cadillac CTS-V Series Forum - 2004 - 2007; Have a magnaflow exhaust , At 51000 miles I have a right side pluged cat,I would like to knock out ...
  1. #1
    Joey M is offline Cadillac Owners Member
    Automobile(s): C T S-V
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    Cats

    Have a magnaflow exhaust , At 51000 miles I have a right side pluged cat,I would like to knock out the cats keep the factory manifolds, What do I need to do to make this work?Theres no where in my area to get tuning,How about some heip Guys.

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  3. #2
    rand49er's Avatar
    rand49er is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2005 CTS-V, 2011 Cruze 1.4T 6MT
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    Re: Cats

    You could get some catted or uncatted connector pipes. Or if you wanted to go back to stock, you could find someone who put headers on and still has their OEM cats.

  4. #3
    NCOGNITO's Avatar
    NCOGNITO is offline Cadillac Owners Fanatic
    Automobile(s): 2004 CTS-V - Black Raven
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    Re: Cats

    I have a set of stock cats, they're worth $150ish each at the scrap yard, but I hung on to them in case someone else needed them. They were pulled from the car by the PO at 36K, based on the receipt for the headers that are on there now.

  5. #4
    Joey M is offline Cadillac Owners Member
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    Thread Starter

    Re: Cats

    What I want to do is knock my cats out, run my manifolds,What do I need to do ,unhook the rear oxy sensors,will this mess anything up?can a hand held tuner tune this combo? as I don't have anywhere around to tune

  6. #5
    darkman's Avatar
    darkman is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V
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    Re: Cats

    I would not use a hand-held tuner to accomodate modifications. If you are not close to a tuner try a mail order tuner such as Wait4me tunes. A mail-order tuner can, among other things, turn off the rear O2 sensors, which most folks leave in place to pass visual state inspections.

  7. #6
    TheLostDriver is offline Cadillac Owners Fanatic
    Automobile(s): 04 CTS-V
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    Re: Cats

    What darkman said ^^^. Get a mail order tune

  8. #7
    bjazz69's Avatar
    bjazz69 is offline Cadillac Owners Member
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    I would get the cat replaced under warranty cats are 8/80000

  9. #8
    odthetruth's Avatar
    odthetruth is offline Moderator
    Automobile(s): 2006 CTS-V
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    Re: Cats

    While I would suggest a mail order tune, Good luck trying to get a wait4me tune. I sat here and LS1tech, PMed and emailed for months prior to just going and getting a legit dyno tune from TuneTime in NJ. If you have to chase someone down to GIVE them your money, sometimes its not worth the headache.

    [2006 CTS-V - "The Vee Baby Seamus"] - 372rwhp / 361rwtq
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