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Thread: Kerker Slip-Ons/Mikuni core

  1. #1
    07 Ultra Guest

    Default Kerker Slip-Ons/Mikuni core

    I have a stock 07 FLHTCUI and want to purchase Kerker Slip-Ons/Mikuni core (128-78045). I want to know the best modifications that would optimize this exhaust (air cleaner kit/stage 1 etc...). Can I install this exhaust without doing any further mods without any problems such as a lean condition?

  2. #2
    bschultz Guest


    The Mikuni cores are very free flowing. I would suggest having them installed by a tuner that is familiar with them. A good source of info would be Joe Minton, the designer of the baffle.

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