Enhance your vehicle's performance with the K&N 57-2557 Performance Intake Kit, designed specifically for the 2004 Ford F150 V8-4.6L. This high-quality intake system features a high-density polyethylene (HDPE) rotationally-molded tube, which increases airflow to your engine, resulting in a noticeable boost in horsepower and torque. You'll appreciate the oversized, conical High-Flow Air Filter, made from washable and reusable oiled cotton filter media, allowing for up to 100,000 miles between services under normal driving conditions. The K&N Performance Intake Kit also includes a custom heat shield that effectively protects the intake air from the high temperatures of the engine bay, ensuring optimal performance. Installation is a breeze and can typically be completed in under 60 minutes, making it a perfect addition for enthusiasts looking to enhance their vehicle's capabilities. Experience the K&N No-Hassle Lifetime Limited Warranty and enjoy the benefits of a high-performance intake system without compromising on quality or efficiency. <b>Features:</b> * High-density polyethylene (HDPE) tube increases airflow for better performance: High-density polyethylene (HDPE) tube increases airflow for better performance * Guaranteed increase in horsepower and torque: Guaranteed increase in horsepower and torque * Washable and reusable High-Flow Air Filter with oiled cotton media: Washable and reusable High-Flow Air Filter with oiled cotton media * Oversized filter design allows for extended service intervals up to 100,000 miles: Oversized filter design allows for extended service intervals up to 100,000 miles * Custom heat shield protects intake air from engine bay temperatures: Custom heat shield protects intake air from engine bay temperatures * Easy installation typically completed in under 60 minutes: Easy installation typically completed in under 60 minutes