Description
Enhance your vehicle’s performance with the K&N Filters Performance Air Intake Kit for F150/Expedition/Navigator 5.4L V8 (KNN57-2575). This system is engineered to increase airflow up to 50% over the stock intake, helping improve horsepower and throttle response. Designed to fit select 5.4L V8 models, this intake replaces the factory air filter and intake housing with a high-flow cotton gauze filter and custom-designed heat shield. It’s washable, reusable, and built for long-term durability and street-legal use in all 50 states.
Features and Specifications:
- Vehicle Fitment: Ford F150 (1997-2003), Expedition (1997-2004), Lincoln Navigator (1998-2004)
- Engine: 5.4L V8
- 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-269-48
- Estimated Horsepower Gain: 11.04 HP @ 4600 RPM
- Replacement Filter: RU-5173
- 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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