Not sure which 2003 Ford Excursion Performance Chips & Programmers are right for you? We have over 7429 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"I like the shift points - Gas mileage increased - haven't pulled the trailer yet - I think it will help." —David A from Murrells Inlet, SC bought a Hypertech Max Energy Programmer for a 2003 Ford Excursion, 6.8L V10.