The Nitrous Express NX dual-nozzle nitrous kit for GM EFI engines supplies adjustable 100–300 wheel horsepower in 25HP increments and includes a 15lb nitrous bottle. With dual Shark nozzles and Lightning high-flow solenoids, it offers stepped power control without direct porting and comes complete with a stainless bottle bracket, extra-long braided N2O line and all installation hardware.
Nitrous Express GM EFI Dual Nozzle Nitrous Kit (100-300HP) w/15lb Bottle