2013 - 2017 Ford Focus ST SCT X4 Tuner
This is an SCT X4 Power Flash Programmer for your 2013 - 2017 Ford Focus ST! It comes pre-loaded with dyno-proven tunes! Moreover, it gives you the option to have your Focus ST custom tuned in the future. Remember, when you modify your car with a new intake, exhaust, intercooler or turbo upgrade -- you need to have your car's ECU updated to reflect those mods.
All in all, the SCT X4 unlocks your Focus' full performance, this by adjusting your vehicle's computer's parameters for maximum horsepower, better torque, increased throttle response, and overall efficiency.