w/ 15 lb Black Bottle & 2 Stage Mini Controller;Now Available w/ Black Bottle, Solenoid & Hardware; Specially Designed for Diesel Engines, including Duramax®, Cummins®, and Power Stroke®; Adjustable HP Settings; Gains up to 75HP on Stock Applications; Upgrade Your Fuel System or Computer for Additional 60-150 HP; Higher HP Gain w/ Computer Modifications; Complete Kit for Easy Installation; 15 lb. Bottle - Black; Choose from Kits with or without Mini 2-Stage Controller (15974NOS);