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Thread: reducrd top end

  1. #1
    seatoye Guest

    Default reducrd top end

    I just installed a set of 3" slip ons onto an evolution engine that is concidered a mild stage three. I fit slip ons over 1 3/4" drag pipes and left the overall pipe length at 41''. It seems I have lost some top end roll on speed and seems to restricted. would i shorten over all pipe length to gain top end?

  2. #2
    bschultz Guest

    Default

    If you have SuperTrapp slip ons with the disc assembly try adding more discs for more flow.

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