Take the guesswork out of wiring your next install with the Nitrous Express Pro Wiring Kit. Built for racers and builders who want a cleaner, more dependable wiring job, this kit brings together the essential components needed to wire nitrous systems and other performance electronics the right way. With multiple wire colors and gauges, relay harnesses, 40-amp relays, terminals, DTP connectors, expandable braided sleeving, and an included crimping tool, this kit helps simplify custom wiring while improving protection, serviceability, and overall appearance. It is a great solution for anyone building a fresh harness or upgrading a messy existing setup. From relay wiring to final loom protection, the Pro Wiring Kit gives you the components needed to create a professional-looking install with parts that are ready for serious performance applications.