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  1. #1
    rxpsquad's Avatar
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    Stage 1 Rxp is 4" air intake ok

    Hi
    Is it ok to put a 4" air intake on a Rxp stage 1
    Or is that to much air for the ski


  2. #2
    monaroman76's Avatar
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    No mate. That is perfectly fine. You NEED to feed that charger

  3. #3

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    There is NEVER too much air for a PWC.

  4. #4
    rxpsquad's Avatar
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    Ok then 4" it is then thanks for the advice
    Would I be right in saying I can add a set of 42lb injectors
    To a stage 1 as well or do I need to upgrade the charger
    Cheers steve

  5. #5
    monaroman76's Avatar
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    Adding larger injectors without increasing boost will negatively affect performance by making the ski run rich. Larger injectors are only needed to keep AFRs safe when increasing boost.

  6. #6
    rxpsquad's Avatar
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    ok so to upgrade the injectors i need to get an x charger or upgraded wheel

  7. #7
    monaroman76's Avatar
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    Thats correct. Look at the injectors as a supporting mod. More fuel is only any good if you have more air to go with it.

  8. #8
    rxpsquad's Avatar
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    ok cheers for the advice

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