aFe Scorcher GT modules include a high-quality case and wire harness with factory-style connectors for an easy plug-and-play installation. An LED light switch provides in-cabin on-the-fly power adjustments. The four power settings are adjustable with one button, and the LED light indicates the settings: stock (green), sport (yellow), sport+ (orange) and race (red). The aFe Scorcher GT modules add significant power by altering pressure sensor signals to increase turbo boost and fuel pressure, improving vehicle efficiency, power, and throttle response. The tuner components are housed in a black powdercoated aluminum casingwith connectors that require no modification to your factory harness; they plug directly into the stock wiring harness connectors and sensors. Order the computer module designed for your vehicle application.