NOS NOS is proud to now offer its powerful Pro Two-Stage wet nitrous system in black. This dual stage system gives you a moderate shot of nitrous at the line to get a solid start. Then, second stage of nitrous gives you serious muscle through mid-track and the top end. This system is adjustable from 200-500 horsepower and uses a special dual stage plate design for excellent nitrous flow, fuel atomization and mixture distribution. Our Big Shot style Pro Two-Stage plate utilizes four unique spray bars equipped with tiny orifices precisely located to efficiently dispense a powerful nitrous/gasoline mixture for unbelievable horsepower gains. Power output is adjustable from 200-500 horsepower simply by changing fuel and nitrous jets. This dual stage system includes everything needed including 6AN feed line, 1/2 inch fogging aluminum plate, black 10 lb. bottled, solenoids, hardware, and instructions to complete the installation.