57-1139 Performance Air Intake System Fits Select Harley-Davidson
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K&NPART NUMBER: 599-57-1139

57-1139 Performance Air Intake System Fits Select Harley-Davidson

$20999
ShippingShips on Sep 04, 2026
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Performance Air Intake System
  • Fits Select Harley-Davidson

    K&N 57-1139 Features:

    K& N FIPK performance air intake systems increase power by eliminating the restrictive stock OE air cleaner and replacing it with a K& N complete performance intake system.

    • Guaranteed to increase horsepower
    • Designed to improve throttle response and engine sound
    • Cast aluminum high-performance intake tube
    • Washable and reusable K& N High-Flow cotton air filter that provides outstanding performance and protection
    • Integrated internal velocity stack
    • Built-in breathers replace external OE breathers
    • Lasts up to 100,000 miles before service is required (depending on driving conditions)
    • Easy to install, usually in 90 minutes or less
    • Mounting Hardware Included: Yes
    • Air Box Included: No
    • Air Filter Color: Red
    • Air Filter Material: Cotton Gauze
    • Air Filter Outlet Shape: Round
    • Air Filter Washable: Yes
    • CARB EO Number: D-269-60/83/104
    • Clamp Color/Finish: Natural
    • Clamp Material: Stainless Steel
    • Clamp Style: Regular
    • Clamps Included: 1
    • Coupler Color/Finish: Not Applicable
    • Couplers Included: Not Required
    • Estimated Horsepower Gain: 3.44 HP @ 4413 RPM
    • Estimated Torque Gain: 5 lbft
    • Intake Pipe Color / Finish: Black
    • Intake Pipe Material: Die-Cast Aluminum
    • Intake Pipe Ports: All intake tube ports needed for the specified applications are included
    • Mass Air Flow Sensor Adapter Included: No
    • Oil Included: Yes
    • Replacement Filter: RE-5286
    • TUV Approved (Europe): No

    Emissions Note:

    This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) #D-269-60/83/104

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • Part TypeAir Intake
    BrandK&N
    Package Height9.5
    Package Width11.75
    Package Length48.75
    Weight4.24 PG
    Weight4.2 lb (1.9 kg)
    Part CategoryPerformance Parts
    Estimated Horsepower Gain3.44 HP @ 4413 RPM
    Intake Pipe MaterialDie-Cast Aluminum
    Carb Eo NumberD-269-60/83/104
    Couplers IncludedNot Required
    Intake Pipe Color / FinishBlack
    Mounting Hardware IncludedYes
    Estimated Torque Gain5 lbft
    Replacement FilterRE-5286
    Clamp StyleRegular
    Oil IncludedYes
    Air Filter Outlet ShapeRound
    Clamp MaterialStainless Steel
    Clamps Included1
    Part FitmentDirect Fit
    Vendor Part Number57-1139
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Some parts are not legal for use in California or other states with similar laws / regulations
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