A simple 30 minute install will give you a huge increase in power. The aFe POWER SCORCHER HD Module includes a high quality case wire harness with factory style connectors for an easy plug play installation. A LED light switch provides In - Cabin On - The - Fly power adjustments. The 4 - Power settings are adjustable with one button and the LED light represent the settings Stock (Green), Sport (Yellow), Sport (Orange) and Race (Red). This performance module increase turbo boost and fuel pressure. It improves vehicle performance and throttle response.