Not sure which 1999 Ford Expedition Performance Chips & Programmers are right for you? We have over 27 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Franklin C from Glenville, NY said, "This was well worth the money.I installed the Hypertech Max Energy Programmer on my 1999 Expedition 5.4L with over 100,000 miles and realized a very noticeable increase in power & torque. Mileage increased by 2 MPG on trips also."
Year Range For Ford Expedition Performance Chips & Programmers