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  1. Z-Bomb timing retard controller 1000rr

    Aftermarket Perfomance Parts Reviews
    Sorry if this has already been posted and for being newb performance knowledgable! Was wondering if this unit will increase horsepower (or power loss in the high and low RPMs) as a stand alone add-on or if it needs to work alongside a power commander/ECU-fuel management unit. Looking for...
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