If you want the best, this is it. The NX EFI Race nitrous system is the top of the line EFI power booster on the market. From the highest flowing solenoids, to our patented Shark nozzle, this system screams nothing but quality. Includes jetting for 100, 150, 200 and 250HP. System comes complete with stainless bottle bracket, Lightning solenoids, extra long stainless braided N2O line, and all necessary hardware to complete the installation. Some systems include a 5lb, 10lb, 10lb composite or 15lb. nitrous bottle