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Thread: 4" air intake

  1. #1
    allairch's Avatar
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    4" air intake

    installed a straight 4" air intake the only thing it did was make it seem to be a lot louder. It turned 7940 rpms before i did the intake change and timing mod it would only turn 7850 today. Has any body seen bad results with changing air intake


  2. #2
    JET250's Avatar
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    if you mean the riva unit, no bad results, put me back up on the rev limiter from wot take offs. heaps better acceleration but zip on the top end.

  3. #3
    allairch's Avatar
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    no its just a piece of 4" about 2' long with a conical filter on it

  4. #4
    don"t forget your ear plugs .

  5. #5
    blownhotrodder's Avatar
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    Intakes tend to benefit more on holeshot more so than top speed.

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