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K&N 57-2574

Cold Air Intake System

K&N 57-2574

599-57-2574

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Estimated to ship directly from the manufacturer on 05/29/18
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K&N 57-2574 Cold Air Intake System $336.99
Cold Air Intake System
  • Ford F-150 4.6L
  • + 9.88 HP Increase
  • Street Legal In All US States-CARB EO Number: D-269-37

  • K&N 57-2574 Details

    Ford

    • Guaranteed to increase horsepower
    • Designed to improve throttle response and engine sound
    • Lasts up to 100,000 miles before service is required (depending on driving conditions)
    • Replaces entire factory air intake system
    • Free-flowing high density polyethylene tube
    • Easy to install, usually in 90 minutes or less
    • Washable and reusable lifetime air filter
    • K&N Million Mile Limited Warranty

    Specifications:

    Replacement Filter
    RF-1041
    Horse Power Increase
    10 HP
    Estimated Horse Power Gain
    9.88 HP @ 4200 RPM
    Clamp Material
    Stainless Steel
    Clamps Included
    6
    Couplers Included
    2
    Filter Material
    Cotton Gauze
    Filter Color
    Red
    Clamp Style
    Regular
    Intake Pipe Material
    High-Density Polyethylene
    Air Filter Outlet Shape
    Round
    Intake Pipe Color / Finish
    Black
    RPM
    4200
    CARB EO Number
    D-269-37 (pdf)
    Filter End Cap Finish
    Black
    Quantity
    Sold as a kit
    Sleeve Color
    Black
    Tube Color
    Black
    Tube Material
    Plastic
    Manufacturer's Part Number:
    57-2574

    K&N's 57 (FIPK) and 63 (AirCharger) Series Air Intake Systems are an improvement over simply using a K&N OE Replacement Filter alone. These high-flow cold air intake systems contain non-metallic, rotationally-molded tubes to reduce intake air temperature and sound. Restriction between the air filter and engine can rob a vehicle of horsepower, and K&N Air Intake Kits are designed to prevent air path restriction with an aerodynamic tube that allows a large amount of air into the engine; resulting in more power.

    K&N High-Flow Cold Air Intakes use factory holes/mounts to position the largest possible conical air filter into the engine compartment. The oversized filter produces more airflow at lower restriction and also captures and holds more dirt to extend the filter's service life (up to 100,000 miles) before cleaning is needed. A heat shield isolates the filter from high engine heat and reduces the temperature of the air as it enters the engine to increase horsepower. The air filter is attached to a precision-formed, high-density polyethylene tube that reduces turbulence and accelerates airflow into the engine. High-strength, silicon & reinforced nylon adapters connect the tube to the engine to ensure long-term performance.

    Features

    • Vehicle-Specific Design
    • Washable/Reusable Air Filter
    • Replaces OE Filter and Air Box
    • Works with Original Factory Computer
    • Easy to Install (Usually 90 minutes or less)
    • Guaranteed to Provide More HP and Better Acceleration
    • Built to Use Stock Holes & Mounting Points Whenever Possible
    • Street-Legal in Most States except California (Check part number or vehicle listing for CARB status)
    • Lasts up to 100,000 Miles before Requiring Service
    • Million Mile Limited Warranty

    Does K&N 57-2574 fit your vehicle?

    Narrow Results

    2008 FORD F-150

    • Liter: 4.6
    • SubModel: FX2
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    2007-2008 FORD F-150

    • Liter: 4.6
    • SubModel: STX
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    2007-2008 FORD F-150

    • Liter: 4.6
    • SubModel: XL
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    2008 FORD F-150

    • Liter: 4.6
    • SubModel: THE 60TH ANNIVERSARY EDITION
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    2008 FORD F-150

    • Liter: 4.6
    • SubModel: XTR
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    2007-2008 FORD F-150

    • Liter: 4.6
    • SubModel: XLT
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )
    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations