1997-2003 Ford Expedition with 4.6L/5.4L V8 Engine. 2004 Ford Expedition with 5.4L V8 Engine. 1997-2003 Ford F-150 with 4.6L/5.4L V8 Engine. 1997-1999 Ford F-250 with 4.6L/5.4L V8 Engine. The air intake kit can help your engine to draw more cold air resulting in better throttle response and higher explosive horsepower output.