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  1. #1
    cayennet78's Avatar
    Join Date
    Aug 2012
    Cheyenne, WY

    Max rpm 7450. Pump work help?

    4600 ft elevation. '14 3up. Took extension off, ribbon delete, exhaust. Still won't wrap more than 7400 rpms w/ speed at 48mph. Repitch or full impeller change help any?

  2. #2
    boost junkie skidoochris's Avatar
    Join Date
    Mar 2012
    Davison, Mi
    if your going to ride there a lot then you will need to re-pitch
    you can do it but I recommend a pro to do it
    west coast has Impros in CA there may be more

  3. #3
    Welcome to high elevation riding

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