HP Tuners

HP Tuners GM E41 ECM Upgrade Kit for supported GM E41 ECM (L5P)

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

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

HPT GM E66 Global B ECM Upgrade (*VIN & Original ECM Required*)

HPT GM E90 ECM & T93 TCM Upgrade Kit

HPT GM E90 Global B ECM Upgrade (*VIN & Original ECM Required*)

HPT GM E90 L84 & L87 PCM Upgrade (*Must Mail in PCM*)

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

GM E93 ECM Service - GM E93 ECM Purchase

This option is ideal if you need your vehicle up and running as quickly as possible. Remember, do NOT send us your ECM.

HPT GM E99 (ZR1) PCM Upgrade (*Must Mail in PCM*)

HPT GM E99 Global B ECM Upgrade (*VIN & Original ECM Required*)