quick view Choose Options Stealth Diesel Tuning EFI Live Autocal v3 with Custom Tuning for 2019-2021 Cummins 6.7L MSRP: $949.00 Power Levels: Economy - 30hp Street - 60hp Race - 100hp Max Effort - 160hp Includes: Autocal Device preloaded with selected tune(s) OBD Cable USB Cable Instructions Add... Choose Options