When real performance enthusiasts think of nitrous oxide injection, one company springs to mind: NOS - Nitrous Oxide Systems! NOS pioneered nitrous injection in the 1970s, and today NOS powers more racers than any other nitrous company. Only NOS has such a wide assortment of systems and applications—just pick the power increase level you want, and NOS will get you there with a complete kit, including all the plumbing, hardware, and electronics you need. We’re also your source for NOS nitrous accessories like bottles, bottle brackets, blankets, injection nozzles, controllers and timers, and even illuminated purge valves for pure intimidation.