aFe Power Scorcher HD 77-44008 Module Dyno tested and produced significant power increases of +60 HP / +90 lbs. x ft. torque Increase turbo boost and fuel pressure to improve vehicle performance, efficiency and throttle response Quick and easy plug & play installation without any modifications 4-power position settings: Stock (Green), Sport (Yellow), Sport+ (Orange) and Race (Red); In-Cabin On-the-Fly Power Adjustments This product is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles Compatible with other aFe POWER performance products