VIVID LINQ - GM Gas is an industry leading tuner for trucks, Jeeps and performance cars delivering maximum horsepower, torque and world class drivability for your vehicle. Linq uses Android operating systems 2.2 or higher to provide a simple yet effective user interface to make tuning a snap. Tune for high performance, heavy load towing, fuel economy or off-road uses all from your Android phone or tablet. Your phone will also display digital gauge readouts give you real-time info from your vehicles computer. VIVID Linq syncs wirelessly with your vehicle using the included Bluetooth dongle. 50-state emissions legal. Covers most applications up to 2012.