SCT Performance LLC. is a leading provider of handheld automotive performance / fuel economy programmers and custom tuning software for Ford, General Motors and Dodge / Chrysler vehicles. Founded in 2003 by hard-core automotive enthusiasts, SCT's employees share a passion for the products they create and the performance vehicles that utilize them. Our employees are not just engineers, managers and sales people. Many are performance enthusiasts that build, race and drive high performance vehicles.