NOS Sniper EFI wet nitrous kits are the perfect upgrades for budget-minded builders who want the easy bolt-on power that made nitrous famous. Sniper EFI kits feature the exclusive NOS soft-plume fogger nozzle that finely atomizes the fuel for superior nitrous and fuel distribution. Sniper kits include all necessary installation components and will provide up to 75 hp in 4 and 6-cylinder engines and up to 125 hp in 8-cylinder engines.