Nitrous Express (NX) is one of the world's leading manufacturers of high-performance nitrous oxide systems, trusted by professional racers, engine builders, and performance enthusiasts worldwide. Engineered and manufactured in the USA, Nitrous Express products are designed to deliver safe, reliable, and substantial horsepower gains for petrol-powered street and race vehicles. The range includes complete nitrous systems, direct port kits, plate systems, wet and dry kits, bottle heaters, purge kits, pressure gauges, controllers, solenoids, fuel system components, and performance accessories. Whether you're competing in drag racing or building a high-performance street car, Nitrous Express delivers race-proven power on demand. Shop genuine Nitrous Express products at MD Performance with nationwide delivery across South Africa.