A simple 30 minute install will give you an increase in power. The aFe POWER SCORCHER GT 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 increases turbo boost, thus Improving vehicle performance and throttle response. aFe POWER strongly recommends upgrading the factory spark plugs to high performance spark plugs to maintain a stronger, more consistent spark and prevent any damage to your engine. During our testing, we used HKS M45XL spark plugs and recommend those spark plugs or equivalent. Alternatively, the factory spark plug gap can be closed to 0.026” or smaller. The use of 91 or higher octane is also highly recommended. This quick and easy plug & play SCORCHER GT module adds significant power by altering pressure sensor signals to increase turbo boost to improve vehicle efficiency, power and throttle response. SCORCHER GT modules feature In-Cabin On-the-Fly power adjustment to accommodate any situation. This adjustment is controlled by a LED light switch with a button that can be easily mounted in any location in the cabin. aFe SCORCHER GT modules use high quality aluminum extrusion black powder-coated enclosure casing and factory style connectors which require no modification to your factory harness. These factory style connectors plug directly into the stock wiring harness connectors and sensors. SCORCHER GT modules are 100% tested for proper protection. These modules work amazingly on stock vehicles and are optimized for maximum performance with the use of aFe POWER performance products.