JMS Chip & Performance

For more than 20 years, JMS Chip & Performance has been an industry-leader in late model domestic and import vehicle tuning. JMS brand digital electronics components are the most technologically advanced in the automotive industry and feature innovative high-quality engineering, materials and workmanship. JMS is a pioneer in late-model domestic vehicle electronics and highly regarded as a foremost expert in Ford, GM and Chrysler powertrain and drivetrain systems.