K&N Filters FIPK Air Intake Kit for Jeep Wrangler 4.0L L6 (KNN57-1521)
Improve your engine's performance with the K&N Filters FIPK Air Intake Kit for Jeep Wrangler 4.0L L6 (KNN57-1521). This cold air intake system is designed to replace the factory air filter and intake tubing, allowing your engine to breathe more efficiently. It helps increase horsepower, torque, and throttle response by delivering cooler, denser air into the combustion chamber. Engineered specifically for the 4.0L L6 Jeep Wrangler engine, the kit includes a high-flow cotton gauze filter and a heat shield to block engine heat. This system is built for durability and easy installation, with no tuning required after setup.
Features and Specifications:
Vehicle Fitment: Jeep Wrangler with 4.0L L6 engine
Air Filter Color: Red
Air Filter Material: Cotton Gauze
Air Filter Outlet Shape: Round
Included: Mounting Hardware, 4 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-269-22
Estimated Horsepower Gain: 12.65 HP @ 4800 RPM
Replacement Filter: RU-4630
Alternate Replacement Filter: RP-4630/RU-4630XD
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: KNN57-1521
