Not sure which 1990 Ford Mustang 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'm very happy with results so far. My Mustang has increased response, very smooth ,and feels stronger with more horsepower. Also my trans shifts with better response.Worth the money and effort." —Anthony R from Roselle, IL bought a Jet Performance Module for a 1990 Ford Mustang, Automatic, 2.3L 4-cyl..