Quick acceleration off the line, faster 0-60 times and more towing power is yours with the Jet Performance Module. This performance module installs easy, is 50-state street legal, and works for both stock and modified powerplants. Plus, Jet backs this module with a 1-year warranty.
Crush the dyno and dominate the streets with the Unichip Performance Chip. This Unichip in-line module piggybacks your vehicle's ECU to unleash hordes of hidden power and torque. Tuned for stock and modified vehicles. 1-year warranty.
Not sure which 2004 Ford Mustang In-Line Modules are right for you? We have over 1502 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:
"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" —James M from Pinellas Park, FL bought a Jet Performance Module for a 2004 Ford Mustang, GT, automatic, SOHC 4.6L V8.