The hottest segment of the high performance industry right now is programmers and performance improving modules for late model computer controlled cars and trucks. With these electronic devices you can improve horsepower without turning a wrench, increase torque without getting dirty. They re-set the factory computer and give you the ability to change your transmission's shift points, improve the towing performance of your diesel truck, or re-calibrate your speedometer after changing tire size or rear end gears. In this section we carry all of the best brands of programmers at the best prices. They are available for a wide range of vehicle types and applications from towing, to high performance street use, to all out racing.