Banks Power 17-19 Chevrolet/GMC 2500/3500 6.6L Gen 2 Diesel Derringer Tuner (Req iDash)Derringer features 6 power levels adjustable on the fly. Interfaces with OBD II (On Board Diagnostics) to communicate with the vehicle's ECM. AutoRate uses vehicle data to adjust tune in real time. ActiveSafety protects engine powertrain. TransCommand protects transmission. For use with existing iDash DataMonster or iDash SuperGauge. Key Features: Adds up to 61 hp and 112 lb ft, 6 power levels that can be changed on the fly via iDash. Each level adds