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  1. #1
    rockonup's Avatar
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    Lets spend money now need help upgrading my skis

    Ok guys I need recommenditions on what to buy. Heres the thing I have 2 RXP-X 255's Im looking to do the same thing to both. My problem is I dont know what works and doesnt so many threads out there my head is spinning. What I want is to add about or close to 10MPH more to each machine. What are my best options while maintaining such a reliable machine and keeping up with almost a maintenance free machine. Also one thing I do not want to do as of now is put a hole in my hull for an exhaust, I like the fact the machine was designed not to take on water and trying to keep it that way. Even though they sound AMAZING I just dont think im ready for something like that or maybe I em. So let me know how fast, how much, and links and parts would be great. Thank You guys.


  2. #2
    rockonup's Avatar
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    MY Shopping list so far.




    RIVA RXP-X/RXT-X Free Flow Exhaust KitRIVA RXP-X/RXT-X Free Flow Exhaust Kit
    $89.95 $179.90 Delete this item from the cart by clicking this icon.



    RIVA Pro Series Water Box for 08 and Newer Models (except iS)RIVA Pro Series Water Box for 08 and Newer Models (except iS)
    $439.95 $879.90 Delete this item from the cart by clicking this icon.



    Blow-off Valve Kit, SD Supercharger, RXP/RXT/GTX-SCBlow-off Valve Kit, SD Supercharger, RXP/RXT/GTX-SC
    $229.95 $459.90 Delete this item from the cart by clicking this icon.



    RIVA Catch Can Kit, SD RXP RXT GTX 4-TECRIVA Catch Can Kit, SD RXP RXT GTX 4-TEC
    $139.95 $279.90 Delete this item from the cart by clicking this icon.



    RIVA Stage 1 kit for RXP-X 255 HP 08-2011RIVA Stage 1 kit for RXP-X 255 HP 08-2011
    $1,178.73 $2,357.46 Delete this item from the cart by clicking this icon.


    Click image for larger version. 

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  3. #3
    SCHNORR12's Avatar
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    Why not trade them in for two 260s? That would gain 5HP instantly...

  4. #4
    rockonup's Avatar
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    Quote Originally Posted by SCHNORR12 View Post
    Why not trade them in for two 260s? That would gain 5HP instantly...

    Because I keep up neck n neck with them due to the extra weight they have. So no point and there to rough with 2 people and the leg area to deep and can't stand n ride I had 1 and already sold it

  5. #5
    stuckmoto's Avatar
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    For +10 mph your going to spend some $ especially since you are modding two.
    FIRST - ECU...reflash w/Vtech($1600) or buy MoTeC.
    SECOND - 4" intake and catch cans...around $500(kits or piece it yourself cheaper)
    THIRD - Impellers $600
    These will get you around +5
    after that....superchargers,rrfprs,retainers & springs,injectors,thermo,intake grates,etc...how deep are you're pockets?

  6. #6
    C Doo's Avatar
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    the riva waterbox will want the hole i the hull that u don't want! but trust me, they don't leak. there is already a hole in the hull for the stock position, its just in a shit spot!

    Get SC upgrade, i recommend ET 137 4mm
    4 inch air with catch can
    Vtech tune 8375 rpm
    Injectors, prob go VT1100
    Fuel reg
    AFR monitor.
    15/20R prop
    R&D aquavein

    This setup will get u flying.

    If u have more money get some more bits like:
    Valvetrain upgrade, riva or supertech, then u can run higher rpm up to 8650
    Riva waterbox which has thru hull

  7. #7
    C Doo's Avatar
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    Quote Originally Posted by stuckmoto View Post
    For +10 mph your going to spend some $ especially since you are modding two.
    FIRST - ECU...reflash w/Vtech($1600) or buy MoTeC.
    SECOND - 4" intake and catch cans...around $500(kits or piece it yourself cheaper)
    THIRD - Impellers $600
    These will get you around +5
    after that....superchargers,rrfprs,retainers & springs,injectors,thermo,intake grates,etc...how deep are you're pockets?
    true.... always check how deep your pockets are, and then u will still go over budget by 30%

    altho he is doing 2 at a time so the budget might get blown into outer space! haha

  8. #8
    Boost addict hotbird's Avatar
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    I would save the money on blow off for something else. My .02

  9. #9
    rockonup's Avatar
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    If you guys can give me links that would be great. Thanks Also I might as well buy the stage one riva then right?

  10. #10
    C Doo's Avatar
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    pretty much everything i listed is in the green hulk performance site. i wouldn't get the riva kit. piece your own together from a combo of companies

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