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  1. #1
    Site Admin Green Hulk's Avatar
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    Riva X model intake manifold upgrade kit now available

    This will also work for GTX SC (185 hp) manifolds

    To order click here
    http://www.4-tecperformance.com/inde...roducts_id=889



    Our Intake Manifold Upgrade Kit enables your engine to produce more horsepower through increased boost pressure (+1lb). Supplied hole cutting tool allows easy removal of restrictive screen element from inside of intake manifold. Special o-ringed, billet block-off plug with integrated fitting for aftermarket boost pressure gauge fills opening left after removal of screen element. Includes detailed installation instructions. NOTE: Our testing has determined the stock ECU will compensate for the increased boost provided by our Intake Manifold Upgrade Kit.
    Last edited by Green Hulk; 06-04-2008 at 12:37 PM.


  2. #2
    Antiguan FZR's Avatar
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    Can this mod work on a stock X ski without fuel upgrades? I read somewhere that this mods can lean out the fuel mixture.

  3. #3
    Ride Hard! aha's Avatar
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    Very nice

  4. #4
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by Antiguan RXP View Post
    Can this mod work on a stock X ski without fuel upgrades? I read somewhere that this mods can lean out the fuel mixture.

    "NOTE: Our testing has determined the stock ECU will compensate for the increased boost provided by our Intake Manifold Upgrade Kit."

  5. #5
    Ziggy's Avatar
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    Hmmmm.
    I have already ordered the R&D intake filter to install in the air inlet of the RXP-X. The sale price with purchase of the intake grate seemed like a bargain since I wanted the R&D grate anyway. It looks like the R&D filter unit adds a 2nd layer of filtration to the system if the stock air box filter is left intact. If the R&D filter provides flame arrestor protection (does it?) then the removal of the above filter seems necessary or you'll be adding unneeded restriction. Did I miss something in the sales pitch for the R&D filter? me out here...

  6. #6
    Site Admin Green Hulk's Avatar
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    No. A flame arrestor "element" is not required. The stock Sea•Doo engine is both Coast Guard & SAE approved for flame arrestor/spark arrestor compliance. The part that protects the system from sparks is actually the stock intercooler. The intercooler functions as a spark arrestor by preventing a backfire from shooting sparks into the engine compartment. BRP is not required to display a Coast Guard or SAE # on the stock intercooler or air intake system because the whole ski displays a Coast Guard or CE approval for safety.

  7. #7
    Fast & Loud meeper's Avatar
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    nice, decent price too....especially since you get the billet block off.

  8. #8
    Ziggy's Avatar
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    Thanks for the clarification on the coast Guard requirements.

    So about the "dual filtration" with the R&D unit, is this the case, or am I missing something?

  9. #9
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by meeper View Post
    nice, decent price too....especially since you get the billet block off.
    It's going to snow in hell today. Meeper didn't compain about a Riva price

  10. #10
    dumb question, but is this just for the X models, or will this work for a regular RXP too?

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