K&N 57-2551 Performance Air Intake System LINCOLN NAVIGATOR, V8-5.4L DOHC 2003-04 ymm_10 The Forge direct replacement blow-off

The Forge direct replacement blow-off valve is designed to be a more durable and performance oriented valve than the OEM unit

40 Series JE Ultra Series Piston Head Type Inv Dome/Dish Pin Diameter (IN) 0

creating optical ventilation for open cockpit drivers

one on each side of the central muffler

K&N 57-2551 Performance Air Intake System LINCOLN NAVIGATOR, V8-5.4L DOHC 2003-04 ymm_10 The Forge direct replacement blow-offDescription K&N 57 2551 Performance Air Intake System LINCOLN NAVIGATOR, V8 5. 4L DOHC 2003 04 A high density polyethylene (HDPE) rotationally molded tube increases the volume of airflow to the engine and provides a guaranteed increase in horsepower and torque. The system includes a washable, reusable High Flow Air Filter with oiled cotton filter media. The oversized, conical filter design allows up to 100,000 miles between filter services under