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  1. #1

    R&D Cool Air Intake On Ultra 300X

    What's up guys Ive been wanting to do the R&D air intake in my jetski I wanted to know if it's worth it... and when you put the plugs where the hose were at the plenum air box how does the air box get air if you blocked it off ? And another thing will you feel a difference in performance and sound or is that just what they say so you can buy it? Thanks sorry I'm asking so much

  2. #2
    Banned User
    Join Date
    Aug 2009
    Discovery Bay, CA
    You may get a little more noise as far as supercharger whine goes but there's not much gain to be had

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