The Volant Pro5 closed-box air intake for 2004–2008 Ford F-150 5.4L V8 swaps the stock inlet for a higher-flow sealed system to boost breathing and protect the motor. It uses a 5-layer oiled cotton gauze Pro5 filter that ships pre-oiled and is sized for maximum airflow. The complete cold-air kit includes a closed filter box, ducting, connectors and clamps, installs in about an hour, and offers extended maintenance intervals.
Volant 04-08 Ford F-150 5.4 V8 Pro5 Closed Box Air Intake System