Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
HP Tuners GM E93 ECM upgrade is a send-in calibration and flash service for E93-equipped GM vehicles. The service upgrades the vehicle's engine control module programming using HP Tuners' process; original ECM and VIN are required. This option lets owners update tuning and parameters through a professional send-in reflash workflow.
HPT GM E93 ECM Upgrade (*VIN & Original ECM Required*)
