1、Making the acceleration faster and more aggressively. For example, as a standard, 10% of the pedal input will provide a 10% accelerator signal to the ECU. The throttle controller may send a 30% message to the ECU when you only have 10% throttle input. 2、It will immediately give 30% of the signal to the ECU instead of smoothly accelerating over time. From the driver's point of view, with this "power mode" enabled, your car feels faster and more responsive than before adding the controller. 3、With normal mode, econ mode and race mode 3 kinds of driving modes. Each mode comes with 10 level adjustment, "0”= less sensitive, “9” = most sensitive. 4、Provides +15% fuel saving and +68% power response, perfectly fit for GT86 2012‑ON. Compact size, ultra‑thin thickness, enables it to be mounted anywhere without affecting the interior design. 5、Plug and play, no need of external power supply (absolutely no cord cutting, no OBDII socket), special plugs for each specific car model, safer and more reliable, simple and fast to install.