This dual stage NX Dry Direct Port System provides nitrous directly into each cylinder through two sets of high flow NX Dry Nozzles. This system is designed to be used with an engine management system that can add nitrous enrichment through the engines fuel system. A jet card with lbs./hr. flow data for each horsepower setting is provided to aid in tuning your engine management systems nitrous enrichment settings. Includes four billet aluminum and carbon fiber Lightning Nitrous Solenoids, sixteen NX Dry Nozzles, 5lb nitrous bottle with a billet aluminum Lightning 45 bottle valve, stainless bottle brackets, 6an nitrous feedline, jets for 100-600hp per stage, WOT switch, relay, relay harness and all necessary hardware to complete the installation.