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  1. #1

    Default Headers and cats

    I have a 2000 k2500 LS crewcab with the short box. It has the 5.7 liter, and automatic transmission. It is also 4 wheel drive. I have purchased Flowtech shorty headers, and a Flowmaster muffler and tailpipe. I now found Magna-Flow catalytic converters with the Y pipe. Will that Cat system bolt directly to the shorty headers?

  2. #2

    Default

    If the headers where designed to bolt to the stock y pipe and the Magna-Flow Y pipe is designed as a direct replacement for the factory y it should work.

    97 Chevrolet Suburban K1500 5.7L
    78 GMC High Sierra K1500
    Fat, drunk, and stupid is no way to go thru life.

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