DiabloSport's new Predator FLX7193 is a flex-fuel tuner that allows GM trucks ' SUVs to run flex-fuel (any blend of gasoline, Ethanol, or E85). FLX7193 reprogramming also boosts horsepower, torque, and performance with no physical modification to the engine. The FLX7193 plugs into the OBDII port and reprograms the vehicle's computer in less than eight minutes. It restores factory settings and works without conversion boxes or cutting wires. It will read DTC codes, modify top speed limiters, adjust the speedometer to different tire sizes, and more.