Where to get high flow cats!?
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Cadillac STS-V Series Forum Discussion, Where to get high flow cats!? in Cadillac V-Series Forums; I'm looking to get high flow cats for my 06 sts v and can't seem to find them anywhere! Can ...
  1. #1
    Zleone3 is offline Cadillac Owners Member
    Automobile(s): 2006 STS-V
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    Where to get high flow cats!?

    I'm looking to get high flow cats for my 06 sts v and can't seem to find them anywhere! Can someone help me out here and give me a link where I can order them or any other recommendations what the best ones to put on are. THANKS!!

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  3. #2
    PGA2B's Avatar
    PGA2B is offline Cadillac Owners Connoisseur
    Automobile(s): Black Raven STS V
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    Re: Where to get high flow cats!?

    It's gonna be custom as our cats are part of the exhaust manifolds. Normally to replace the cats you have to replace the manifolds. If you can find a shop that is will to cut off the stock cats and weld flanges to the manifolds you can add aftermarket cats. Either option is not going to be cheap. The stock manifolds are about $1500 a piece. You could also buy a set of Tim's headers and add any aftermarket cats you want. With that option you would need to modify the stock exhaust to accept the cats as Tim's are designed to be used without cats.

  4. #3
    1madstsv's Avatar
    1madstsv is offline Cadillac Owners Connoisseur
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    Re: Where to get high flow cats!?

    Our stock cats don't flow bad when in good working condition going from cats to no cats at all was only 12whp. So high flow would maybe 5-6whp.

  5. #4
    Zleone3 is offline Cadillac Owners Member
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    Re: Where to get high flow cats!?

    How much are Tim's headers? And how hard/ illegal would it be to remove the cats, I live in PA so ill have to pass emissions

  6. #5
    1madstsv's Avatar
    1madstsv is offline Cadillac Owners Connoisseur
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    Re: Where to get high flow cats!?

    It's easy to tune them out I also live in pa and have no problems.

  7. #6
    Zleone3 is offline Cadillac Owners Member
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    Re: Where to get high flow cats!?

    That's great to hear! Now how's the easiest way to get a set of these cause I'm thinking about doing it!

  8. #7
    1madstsv's Avatar
    1madstsv is offline Cadillac Owners Connoisseur
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    Re: Where to get high flow cats!?

    Pm Timmyc for a price and then just install them and tune out the cats and your good to go.

  9. #8
    Zleone3 is offline Cadillac Owners Member
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    Re: Where to get high flow cats!?

    Awesome I'm on it right now

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