K&N 03-04 Lincoln Navigator V8-5.4L DOHC Performance Intake Kit - 57-2551 DPF Back and track applications

and track applications

Addressing OEM Weak Points: Eliminates common factory manifold failures

High-grade titanium reinforcements have been incorporated for better structural stability at pivot points

These controllers connect to the vacuum solenoid in the trunk to provide the driver control over their exhaust flap

K&N 03-04 Lincoln Navigator V8-5.4L DOHC Performance Intake Kit - 57-2551 DPF Back and track applicationsA high density polyethylene (HDPE) rotationally molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect