K&N 04 Ford F150 V8-5.4L Performance Intake Kit with High-Flow Air Filter

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 90 minutes. Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California. See the product specifications for CARB status on each part for a specific vehicle. K&N's roto-molded cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty.

• K&N Million Mile Limited Warranty
• Will not void vehicle warranty

Enhance your Ford F-150's engine performance with the K&N 04 Ford F150 V8-5.4L Performance Intake Kit, part number 57-2556. This system features a high-density polyethylene (HDPE) rotationally-molded tube designed to increase airflow volume, resulting in a guaranteed boost in horsepower and torque. The durable construction ensures long-lasting performance while maintaining a lightweight profile for optimal engine efficiency. The system's design promotes smoother airflow, which can improve throttle response and overall vehicle acceleration. Installation typically takes less than 90 minutes, making it a convenient upgrade for enthusiasts seeking immediate performance gains.

Included in this kit is a washable, reusable High-Flow Air Filter with oiled cotton filter media. Its oversized, conical shape allows for extended service intervals—up to 100,000 miles under normal highway driving conditions—reducing maintenance time and costs. A custom heat shield is integrated to safeguard intake air from the high temperatures of the engine bay, helping to maintain optimal air density and engine performance. This intake system is engineered to be compatible with 2004-2008 Ford F-150 models and the 2005 Ford Expedition, ensuring a precise fit and reliable operation.

Backed by K&N's Million Mile Limited Warranty, this performance intake kit is designed to provide consistent, long-term performance without voiding your vehicle's warranty. It is compliant with EPA standards and is not restricted from air freight. Please check CARB status for your specific vehicle, as some models may not be legal for sale or use in California. The kit's straightforward installation process and proven performance benefits make it an excellent upgrade for truck owners aiming to maximize their vehicle's power and efficiency.

Features:

• High-density polyethylene (HDPE) rotationally-molded tube for increased airflow

• Guaranteed increase in horsepower and torque

• Washable, reusable High-Flow Air Filter with oiled cotton media

• Oversized, conical filter design allows up to 100,000 miles between service

• Custom heat shield protects intake air from high engine bay temperatures

• Simple installation process typically completed in less than 90 minutes

• Compatible with select Ford F-150 and Expedition models

• Backed by K&N's Million Mile Limited Warranty

• EPA compliant with optional CARB approval for specific vehicles

Fitment:
2004 Ford F-150 FX4
2004 Ford F-150 Lariat
2004 Ford F-150 XL
2004 Ford F-150 XLT
2005 Ford Expedition Eddie Bauer
2005 Ford Expedition Limited
2005 Ford Expedition XLS
2005 Ford Expedition XLT
2005 Ford F-150 FX4
2005 Ford F-150 King Ranch
2005 Ford F-150 Lariat
2005 Ford F-150 XL
2005 Ford F-150 XLT
2006 Ford F-150 FX4
2006 Ford F-150 Harley-Davidson Edition
2006 Ford F-150 King Ranch
2006 Ford F-150 Lariat
2006 Ford F-150 XL
2006 Ford F-150 XLT
2006 Lincoln Mark LT Base
2007 Ford F-150 FX2
2007 Ford F-150 FX4
2007 Ford F-150 Harley-Davidson Edition
2007 Ford F-150 King Ranch
2007 Ford F-150 Lariat
2007 Ford F-150 XL
2007 Ford F-150 XLT
2007 Lincoln Mark LT Base
2008 Ford F-150 FX2
2008 Ford F-150 FX4
2008 Ford F-150 Harley-Davidson Edition
2008 Ford F-150 King Ranch
2008 Ford F-150 Lariat
2008 Ford F-150 Limited
2008 Ford F-150 THE 60TH ANNIVERSARY EDITION
2008 Ford F-150 XL
2008 Ford F-150 XLT
2008 Lincoln Mark LT Base

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-269-37
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1