For applications that add extra fuel through the factory fuel injection system via aftermarket tuning or secondary fuel mapping. This system includes a single dry nozzle (no fuel), a single billet aluminum / carbon fiber lightning series solenoid, 15 lb. bottle with billet lightning 45 bottle valve, stainless bottle brackets, braided stainless lines as well as jetting for 35,50,75,100,125 and 150HP.