ZEX Nitrous Systems for GM applications are at the forefront of nitrous technology with innovative nitrous design, specifically for GM powered vehicles. Every hose, wire and fitting has been engineered and manufactured for a plug-n-play, perfect installation and function. In addition, the ZEX GM Nitrous System incorporates one of the most technically advanced performance features available, the patented ZEX Active Fuel Control. This innovative performance and safety feature automatically adjusts the nitrous fuel enrichment so your engine never runs too rich or too lean. Also, a patented electronic TPS switch for perfect system activation at wide-open throttle and power settings are fully adjustable starting from 75 horsepower with the included tuning jets are also included.