Performance Air Intake For Ford F-150 (1997-2003) with 4.2L V6 Engine Black RedRestore Throttle Response and Low End Grunt on Your Essex V6 F 150 Who Its For: Designed specifically for 1997 2003 Ford F 150 owners running the 4. 2L Essex V6 engine who need more efficiency out of their work truck or daily driver. The Problem: The factory airbox on the Essex V6 was engineered for silence, not flow. Between the restrictive plastic resonators and the narrow intake snorkel, the engine has to work harder just to breathe. This leads to