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  1. #1

    what is the best air filter/plenum for the gp1300R

    for offshore , what do you think is the best choice between the different model of air filter /plenum / stock air box mod .

    what do you think about the r&d power plenum :


  2. #2
    Hydrotherapy's Avatar
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    for offshore i would go stock box gutted but with lid on..

    see what the others say

  3. #3
    sorry can you explain this "stock box gutted but with lid on.." i don't understand (frenchie)

  4. #4
    Hydrotherapy's Avatar
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    remove all the pipe work to air box,elbows ect

    remove the mesh covers that hinder air flow that are covering the tb's in the stock box,then replace lid

  5. #5
    Mike's GPR's Avatar
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    When you remove the piping and gut the air box. Would you recommend putting a round K&N type filter on the air box opening?

  6. #6
    This APBA/IJSBA legal combination produces the highest horsepower of any flame arrestor combination.
    Here is the thread that explains it all..
    I just ran my 06 gpr in the lauderdale offshore challenge with this combination.

    http://greenhulk.net/forums/showthread.php?t=54837

    For more info feel free to call me or pm me,
    Ross
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  7. #7
    Mike's GPR's Avatar
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    What about water intrusion. Those flame arrestors look awesome, but do you then have to worry about injesting water and seizing?

  8. #8
    No more than any other flame arrestor combo.. Flame arrestors do not prevent water intrusion, none of them.. Their sole purpose is to extinguish a flame should you have a backfire from the engine. If you get large amounts water in your hull, fix that problem.. I just ran in a 36 mile offshore race and had zero water in my hull at the end. Minor amounts of water from small leaks do not present a problem, most skis have a little water in the hull after riding. This is not a problem with this combo..

  9. #9
    Mike's GPR's Avatar
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    Thanks for the info. I will probably be looking to put these on over the winter. But in the mean time, would there be a similar benefit to gut the stock airbox and remove the stock metal flame arrestors? Would this be safer for water injestion that the aftermarket flame arrestors?

  10. #10
    Mik72e's Avatar
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    Agree with Ross I have done over 100hrs on my ski with Ross s TBs

    Raced in all condition and ride in the surf every week jumping and do the lot never ever had a issue if your getting heaps of water in the ski then fix.

    For me Ross TBs win all teh time save your money and do it.

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