Description
The K&N Filters FIPK Air Intake Kit for 05-09 Grand Cherokee and 06-09 Commander 4.7L V8 (KNN57-1548) is engineered to increase airflow and improve engine performance in select Jeep models. Designed to fit the 2005-2009 Grand Cherokee and 2006-2009 Commander with the 4.7L V8 engine, this FIPK (Fuel Injection Performance Kit) replaces the factory air intake system with a high-flow cotton gauze filter and a precision-engineered intake tube. It helps deliver more horsepower and torque by reducing airflow restriction and optimizing combustion efficiency. Installation is straightforward, requiring basic tools with no tuning required. Ideal for those who want better throttle response and a more aggressive engine sound without voiding factory warranties.
Features and Specifications:
- Vehicle Fitment: 2005-2009 Jeep Grand Cherokee / 2006-2009 Jeep Commander
- Engine Compatibility: 4.7L 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-269-37
- Estimated Horsepower Gain: 9.47 HP @ 4397 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.
- Lifetime Warranty: Covered by a No-Hassle Lifetime Limited Warranty.
- Emissions Legal: 50-state legal for street use.





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