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  1. #1
    Legend

    Join Date
    Feb 2008
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    Red Wing, Minnesota, United States
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    3,389

    Default Need new cats (I think)

    I have a full stock exhaust up until the muffler, I have two cats, does anybody know for sure what the pipe size is on those, i am probably gonna get a couple magnaflow cats to replace the stockers.
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
    ___________________________
    Jason

  2. #2

    Default

    2 in or 2 1/2in i think depends on year make and model if its 96 to 99 its smaller then 2 in goin into the cats

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