Hyper Tech Max Energy 2.0 (2000) Optimized Engine Tuning For Maximum Power & Performance. Purchase for use with 2017 Silverado 6.2L. Used mainly to turn off V4 mode, but has many other tuning options. It will fit other GM vehicles if you check for your application at the HyperTech website. Unit has been totally erased and updated, so it can be used on another vehicle (per Hypertech).