This NX Dual Stage direct port system provides the ultimate in cylinder to cylinder distribution. This system utilizes the patented NX 'Shark' nozzles! Nitrous system comes complete with nitrous bottle, 8 aluminum / carbon fiber Lightning fuel solenoids, stainless bottle brackets, stainless hard lines, 16 nozzles, jetting, and all necessary electrical components. This system requires the drilling and tapping of intake manifold. (alcohol version)