K&N Filters FIPK Air Intake Kit for 97-01 Explorer 4.0L V6 F/I (KNN57-2528)
Enhance performance with the K&N Filters FIPK Air Intake Kit for 97-01 Explorer 4.0L V6 F/I (KNN57-2528). This intake system replaces the factory air filter and intake housing with a free-flowing high-density polyethylene tube and a washable cotton gauze filter. It is engineered to improve horsepower, torque, and throttle response for 1997-2001 Ford Explorer models with the 4.0L V6 fuel-injected engine. The FIPK (Fuel Injection Performance Kit) design maximizes airflow while maintaining emissions standards. Installation is straightforward and includes hardware and instructions.
Features and Specifications:
Vehicle Fitment: 1997-2001 Ford Explorer 4.0L V6 F/I
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-269-18
Estimated Horsepower Gain: 8.59 HP @ 5303 RPM
Replacement Filter: RU-1048
Alternate Replacement Filter: RF-1048/RU-1048XD
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.
Emissions Legal: 50-state legal for street use.
Product identification
- Brand: K&N Filters
- Model / MPN: KNN57-2528




