Nitrous Expresss introduces the "NXL" nozzle with Integrated Rail Technology. This plug-and-play, direct-port nozzle is available for four, six and eight cylinder applications. There is no drilling required, no engine disassembly and no solenoids to mount. The entire nitrous system is self-contained in the high-flow fuel rail. Systems come complete with bottle, jetting, custom insulated distribution lines, and all installation hardware. This hi-tech direct port system comes with a wiring harness for a true plug-and-play system.