If you want the best, this is it. The NX EFI Dual Nozzle 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 50, 75, 100 & 125HP. System comes complete with 15lb nitrous bottle, stainless bottle bracket, Lightning solenoids, extra long stainless braided N2O line, and all necessary hardware to complete the installation.