Description

The K&N Filters FIPK Air Intake Kit for 01-04 Ford F150 Lightning 5.4L V8 (KNN57-2549) is engineered to significantly increase horsepower and throttle response in your 2001-2004 Ford F150 Lightning with the 5.4L V8 engine. This high-performance cold air intake system replaces the factory air filter and intake housing, offering a less restrictive airflow path. Designed for better engine breathing, it helps improve combustion efficiency, acceleration, and towing power, making it a smart upgrade for performance-driven truck owners.

This intake system is dyno-tested and includes a washable and reusable high-flow cotton air filter. It also features a heat shield to protect against engine heat and comes with all necessary hardware for easy installation. The K&N Filters FIPK Air Intake Kit for 01-04 Ford F150 Lightning 5.4L V8 (KNN57-2549) is backed by K&N’s Million Mile Limited Warranty, ensuring reliable performance for years to come.

Features and Specifications:

Vehicle fitment: 2001-2004 Ford F150 Lightning 5.4L V8
Air Filter Color: Red
Air Filter Material: Cotton Gauze
Air Filter Outlet Shape: Round
Included: Mounting Hardware, 5 Clamps, and 2 Couplers
Clamp Material: Stainless Steel
Clamp Style: Regular
Intake Pipe Color / Finish: Black
Intake Pipe Material: High-Density Cross-Linked Polyethylene
CARB EO Number: D-269-28
Estimated Horsepower Gain: 15.63 HP @ 5162 RPM
Replacement Filter: RU-5046
Alternate Replacement Filter: RC-5046
Increased Performance: Boosts horsepower and torque for improved engine output.
HDPE Intake Tube: Roto-molded for durability and efficient airflow.
High-Flow Filter: Direct replacement air filter enhances throttle response and engine sound.
Optimized Airflow: Engineered for high airflow and superior filtration efficiency.
Low Maintenance: Filter requires cleaning only every 100,000 miles under everyday driving.
Easy Installation: Installs in under 60 minutes using basic hand tools.
Lifetime Warranty: Covered by a No-Hassle Lifetime Limited Warranty.
Emissions Legal: 50-state legal for street use.