ECM Modification

HPT GM E90 ECM & T93 TCM Upgrade Kit

HPT GM E42 L5P Global B ECM Upgrade (*VIN & Original ECM Required*)

HPT Polaris/Indian MG1 ECM Upgrade (*Original ECM Required*)

HP Tuners Sea-Doo MG1 ECM Service

HPT GM E93 ECM Upgrade (*VIN & Original ECM Required*)

HPT GM E46 Non-Global B ECM Upgrade (*VIN & Original ECM Required*)

HP Tuners E93 ECM 20-23 GM 6.6L

HPT E41 ECM Upgrade Kit(L5P)

HPT L5P ECM Upgrade Service