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K&N 57-2556

Cold Air Intake System

K&N 57-2556

599-57-2556

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K&N 57-2556 Cold Air Intake System $310.99
Cold Air Intake System
  • Ford F-150/Expedition 5.4L
  • Lincoln Mark LT 5.4L
  • + 15.46 HP increase
  • Street Legal In All US States-CARB EO Number: D-269-37

  • K&N 57-2556 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-1020
    Horse Power Increase
    15 HP
    Estimated Horse Power Gain
    15.46 HP @ 3829 RPM
    Clamp Material
    Stainless Steel
    Clamps Included
    7
    Couplers Included
    3
    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
    3829
    CARB EO Number
    D-269-37 (pdf)
    Filter End Cap Finish
    Chrome
    Quantity
    Sold as a kit
    Sleeve Color
    Black
    Tube Color
    Black
    Tube Material
    Plastic
    Manufacturer's Part Number:
    57-2556
    EO Number:
    D-269-37(pdf)
    To see a list of qualifying vehicles, enter CARB EO NumberD-269-37

    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 57-2556 fit your vehicle?

    Narrow Results

    2006-2008 LINCOLN MARK LT

    • Liter: 5.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: 5
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2005 FORD EXPEDITION

    • Liter: 5.4
    • Aspiration: N
    • SubModel: EDDIE BAUER
    • Engine Vin: 5
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2007 FORD F-150

    • EngineType: ALL
    • SubModel: FX2

    2005 FORD EXPEDITION

    • EngineType: ALL
    • SubModel: XLS

    2008 FORD F-150

    • Liter: 5.4
    • SubModel: FX2
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2004-2008 FORD F-150

    • Liter: 5.4
    • SubModel: XL
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2005 FORD EXPEDITION

    • Liter: 5.4
    • Aspiration: N
    • SubModel: LIMITED
    • Engine Vin: 5
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2005 FORD EXPEDITION

    • Liter: 5.4
    • Aspiration: N
    • SubModel: XLT
    • Engine Vin: 5
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2006-2008 FORD F-150

    • EngineType: ALL
    • SubModel: HARLEY-DAVIDSON EDITION

    2008 FORD F-150

    • Liter: 5.4
    • SubModel: XTR
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2005-2008 FORD F-150

    • EngineType: ALL
    • SubModel: KING RANCH

    2004-2008 FORD F-150

    • Liter: 5.4
    • SubModel: XLT
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2004-2008 FORD F-150

    • EngineType: ALL
    • SubModel: FX4

    2004-2008 FORD F-150

    • EngineType: ALL
    • SubModel: LARIAT

    2008 FORD F-150

    • EngineType: ALL
    • SubModel: LIMITED

    2008 FORD F-150

    • Liter: 5.4
    • SubModel: THE 60TH ANNIVERSARY EDITION
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2006-2008 LINCOLN MARK LT

    • Fitment_Note: CARB E.O. D-269-37
    • Liter: 5.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: 5
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )
    57-2556 - K&N High-Flow Cold Air Intake Systems (Truck/SUV/Powersports) is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from Very easy to install. Love the sound. Definitely noticed increase horsepower. Can't wait to upgrade the exhaust
    Date published: 2016-03-31
    Rated 5 out of 5 by from Easy bolt on power. Got this air intake about a week ago....easy to install and is also good looking. Can definitely feel a difference. Great product!!!!
    Date published: 2014-12-27
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    Some parts are not legal for use in California or other states with similar laws / regulations