Not sure which 2004 Ford Mustang Performance Chips & Programmers are right for you? We have over 2412 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. James M from Pinellas Park, FL said, "The specs said up to 15hp but it feels like easily 30+. The gas pedal response lag has almost vanished and (today) I found that the performance is just as impressive at highway speeds. Feeling pushed back into the seat is what it is all about.This chip is *such* a bargain,Jim"
Year Range For Ford Mustang Performance Chips & Programmers