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  1. #1
    cheatin' piston popper addicted's Avatar
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    Conversion Waterboxes

    GPRXP Water Box

    This is a drop in water box that will allow you to use the '08 and up SeaDoo straight pipe exhaust in a conversion with a GPR water box. The GPR water box flows better than anything available for the 4-tec and sounds great without being overly loud. The supercharger can be removed without moving the exhaust.

    Included is the adapter sleeve to create the water jacket on the 08+ mid pipe, a fully modified 1200 or 1300 GPR water box, a silicone hump coupler and 2 high quality 316 Stainless Steel hose clamps.

    You supply the 08 mid pipe, the V-band clamp, 4" hose, and clamps, part numbers are listed below. If you have an older model engine that uses a J pipe, you need to order the following OEM parts, available here http://partsfinder.onlinemicrofiche....artsfinder.htm

    Seadoo part #'s
    274001386 EXHAUST CLAMP V-Band
    274001354 PIPE-HEAD
    274001348 HOSE
    293650202 CLAMP-GEAR

    $275 + shipping

    No cores required, however they can be sent in for a discount on the purchase price.

    *Please note that water boxes are used and condition will vary*
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  2. #2
    cheatin' piston popper addicted's Avatar
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    youtube videos showing the 3 major conversion exhausts, quietest to loudest.

    1300 box with factory sound suppression:
    <iframe width="420" height="315" src="http://www.youtube.com/embed/GrF1pjL849M" frameborder="0" allowfullscreen></iframe>

    1200 box:
    <iframe width="420" height="315" src="http://www.youtube.com/embed/jQ2_bCGnpxY" frameborder="0" allowfullscreen></iframe>

    TDR and freeflow:
    <iframe width="420" height="315" src="http://www.youtube.com/embed/3ptyxcG92NA" frameborder="0" allowfullscreen></iframe>

  3. #3
    Gus13letter's Avatar
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    Very nice! I love mine using the 1200 box.

  4. #4
    cheatin' piston popper addicted's Avatar
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    I have 1 waterbox complete and ready to ship.

  5. #5
    cheatin' piston popper addicted's Avatar
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    ttt

  6. #6

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    Is the angle close to the one you used on your FXHO?

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