The Edge Evolution CS2 is the perfect budget-minded performance tuner and monitor for 2017-2019 Chevy Silverado. Combining proven flash tuning with a compact digital display, the Evolution CS2 delivers safe, 50-state emissions-compliant power gains designed to improve horsepower, torque, fuel economy, and drivability. With preloaded tuning levels optimized for daily driving, towing, fuel savings, and performance, the CS2 gives gas truck owners the flexibility to tune their vehicle to match their needs. Simple to install and easy to use, the Evolution CS2 plugs into your factory OBD-II port to quickly reflash the ECM. Once your calibration is set, you can unplug the device and store it away—yet still take advantage of the built-in monitoring features whenever you choose. The color screen provides real-time data on critical parameters, customizable gauge layouts, and the ability to read and clear DTCs (diagnostic trouble codes) on the fly. Whether you’re looking for more confident passing power, smoother towing performance, or better fuel mileage on your commute, the Edge Evolution CS2 is a cost-effective way to upgrade your gas-powered GM truck Backed by Edge Products’ 20+ years of tuning expertise, it’s the smart choice for owners who want reliable gains and monitoring in one compact device. *Compatible with 2019 Classic body style