Manufactured by RK Sport - Part Number RK Sport 19011005, 2004-07 F150 Eliminator Ram-Air Hood., Following the lines of the OEM hood, our engineers designed the Eliminator Hood. Our F-150 Hood is functional bringing fresh, cool air directly into the inlet for increased airflow and performance. The F-150 Hood is crafted from hi-temp, hand laid fibergl, RK Sport Ram Air Hoods are ducted to your factory air cleaner location. Add a cold air intake to make them fully functional. On some models you simply need to install a cold air intake or open up the top of your factory air box. Product information updated on 2022-01-31