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  1. #1

    2011 sea doo speedster 150 255hp

    What modifications can I do to give my boat more top end speed. I have put on a K&N on the supercharger and was wondering what else I could do that will not break the bank.

  2. #2

    Join Date
    Apr 2013
    Ottawa,Belleville Ontario Canada
    I did a riva grate and solas prop and built a colt air out of 3" alum bends that moved the filter in front of the right air grate and the the sportster 215 picked up 6mph on the gauge .

  3. #3
    Thanks. What pitch did you use on the prop? would it be the same for the 255hp? Did the riva grate fit without any modifications? What model grate was it?

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