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  1. Julie Koontz

    long tube header & x pipe affect 08 GT500 clutch?

    Newbie here- forgive me if I am in the wrong forum. I have a 08 GT500 which is currently stock. I have bought Kooks long tube headers and a catted x-pipe which is supposed to add 44RWHP. Question is, several ppl have told me this is going to give my stock clutch either 1/2 life, or just plain...

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