The aFe Scorcher Pro Performance Programmer offers preloaded and dyno-proven tune files developed by the pro calibrators at aFe to unlock a vehicles true performance. The Scorcher Pro tunes are available for all the options at the pump including 87, 89 and 91 octane fuel. To make things even easier the factory tune is stored on the programmer to easily restore the vehicle back to the factory settings. The aFe Scorcher Pro also offers the capability to adjust auto start/stop. spark/timing, rev limiter, axle ratio chanes, engine idle, TPMS. Depending on vehicle options. The Scorcher can be connected using the OBD-II port and is WiFi compatible. Monitor and display critical vehicle data using on-screen, full color customizable gauges. View, capture or download your vehicle's data, all on one device. The Scorcher Pro can read and clear diagnostic trouble codes. Making it a one stop shop for all of your tuning needs. | aFe Scorcher Pro Performance Programmer Bypass Cable 77-90009