Description
The K&N Filters FIPK Air Intake Kit for Ford F150 4.2L V6 (KNN57-2550) is built to improve airflow, horsepower, and throttle response in your truck. Designed specifically for the Ford F150 4.2L V6, this bolt-on air intake system replaces the restrictive factory air filter and intake housing. It includes a reusable, high-flow cotton filter and custom heat shield to isolate the intake from engine heat. The result is better combustion efficiency and enhanced engine performance without the need for ECU tuning.
Features and Specifications:
- Vehicle Fitment: Ford F150 4.2L V6
- Air Filter Color: Red
- Air Filter Material: Cotton Gauze
- Air Filter Outlet Shape: Round
- Included: Mounting Hardware, 6 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: 7.58 HP @ 4891 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.






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