GIAC's Flashloader switchers allow you to switch between your favorite GIAC performance software and your stock software with the touch of a button. Flashloader software switching comes in a Windows® based application for your PC, a pocket-sized hand-held device that plugs directly into the ECU serial port, or a smartphone wireless application. All Flashloader switching products enable two to five switching programs and use serial flashing technology, requiring no additional hardware within the ECU. Several modes are available for purchase: Stock: Similar to the original factory tuningPump: Performance programming designed for 91/93 octane fuelRace: Performance programming designed for race gas (100+ octane)Kill: Designed to make the car inoperableValet: Designed to put the car in an operable but significantly detuned state.MTO1/MTO2/MTO3:Boost controller functions