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  1. #1

    Best mods from 2003 gp 1300r

    Looking for more speed, have dplate,rideplate and intake grate. What else can I do


  2. #2
    powerstroke specialist mikegp's Avatar
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    raise compression to 150 , 4* keyway, EFI controller and a true 14/21 solas prop. that will change the game around a bit.

  3. #3
    32 Valves To Love! Racecar_Dave's Avatar
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    Jul 2009
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    HO pump

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