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. In testing, this module resulted in significant +60 horsepower and up to +100 lbs. x ft. of torque verified by our in house dyno. SCORCHER HD Power Module Nissan Titan XD 16-19 V8-5.0L (td) Nissan Titan XD 16-18 V8-5.0L (td)