Make a big increase in power and sound with Ford Racing's ProCal Calibration Tool, Cold Spark Plug Set and Cold Air Intake. With just colder plugs, a tune and cold air intake the Focus ST is able to experience an increase of 90 peak torque at 2800 RPM on 93 octane fuel. There is a significant torque increase all the way up to 4200 RPM. Also, plenty of horsepower is gained throughout the RPM range making overall driving more exciting. Also, revised sound symposer software and calibration creates a more natural engine sound.

This Part Fits:

Year	Make	Model	Submodel
2015-2017	Ford	Mustang	GT
2015	Ford	Mustang	GT 50 Years Limited Edition
2015-2017	Ford	Mustang	GT Premium