Description
Boost your truck’s performance with the K&N Filters FIPK Air Intake Kit for F150 4.6L V8 (KNN57-2557). Designed to increase horsepower and acceleration, this high-flow intake system replaces your restrictive factory air filter and intake housing. The oversized cone filter and rotationally molded intake tube improve airflow while maintaining excellent filtration. Ideal for 2004-2005 Ford F-150 4.6L V8 models, this bolt-on upgrade requires no ECU tuning and installs easily with basic tools.
Features and Specifications:
- Vehicle fitment: 2004-2005 Ford F-150 4.6L 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-269-31
- Estimated Horsepower Gain: 7.84 HP @ 4828 RPM
- 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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