2009-2010 F-150 4.6L Polished Power-Flow Air Intake System (INJPF9027P)Recharge the performance of your Ford F 150 4. 6L (2 valve) V8 with the Injen Power Flow air intake system. Engineered to eliminate the restrictions of the factory induction setup, this kit utilizes high flow 6061 T6 aluminum tubing to streamline airflow directly to your engine. By strategically positioning the air filter to capture cool, dense air and avoid engine bay heat soak, the system delivers dyno proven horsepower gains and enhanced throttle