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...
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...
Results in torque and power gains across the full operating rpm range, starting right off idle and marching to the shift point in each gear. Derringer is dyno calibrated to...
Shave a full second off your 0-60 time and get over 4 truck lengths ahead of stock in the 1/4 mile. This makes getting onto the highway and merging effortless....
Derringer adds more torque and horsepower consistently throughout the powerband than the competition both safely and reliably letting you pull the grade without downshifting. Simple plug-and-play install with easy removal...