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  1. #1
    Junior Member
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    Mar 2016
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    La.
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    V-Series Cadillac(s)

    2011 CTS-V Coupe

    Question Long tube headers with factory exhaust?

    I just bought my cts-v coupe. I put a cold air intake w/ k&n filter, I would like to put long tube headers & connect them to factory mufflers. 1. Does anyone sell long tube headers I can buy to do this? 2. Does anyone know what size the factory pipes are 2.5" or 3" ? Thanks Phillip

  2. #2
    Junior Member
    Join Date
    Dec 2018
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    Georgia
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    V-Series Cadillac(s)

    2014 CTS-V

    Smile Headers

    Quote Originally Posted by br549 View Post
    I just bought my cts-v coupe. I put a cold air intake w/ k&n filter, I would like to put long tube headers & connect them to factory mufflers. 1. Does anyone sell long tube headers I can buy to do this? 2. Does anyone know what size the factory pipes are 2.5" or 3" ? Thanks Phillip

    Hello
    This was posted a while back but did you ever complete this mod?

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