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4 Stroke Performance


  1. 4 Stroke Turbos/Supercharger

    Lets talk Turbos and Supercharger....
    Discussions:
    7,447
    Messages:
    73,590
    Latest: Apex Burning oil mbarryracing, Dec 1, 2020 at 8:56 AM
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  2. 4 Stroke Nitrous

    Lets Talk Nitrous....
    Discussions:
    387
    Messages:
    3,448
    Latest: Sidewinder nitrous system theewarrior, Mar 21, 2020
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  3. 4 Stroke Air Intake

    Post all of you Air Filter questions, EVAC and mods to filters....
    Discussions:
    393
    Messages:
    4,113
    Latest: Apex with pc3 modsrx, Jan 14, 2020
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  4. RB3, PCIII, other EFI Maps

    A place for members to down load and share a EFI maps
    Discussions:
    155
    Messages:
    980
    Latest: 06 attak mapping Macheater, Nov 26, 2020
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