ZEX Blackout Nitrous Systems are the newest addition tothe ZEX family. With unprecedented looks, performanceand power potential, and like all ZEX nitrous systems, theBlackout kits incorporate the most technologicallyadvanced performance features available, including thepatented ZEX Active Fuel Control. This feature automaticallyadjusts the nitrous fuel enrichment so your enginenever runs too rich or too lean. Power settings vary for eachapplication specific system, and all kits ship complete withappropriate tuning jets, as well as fuel tap fittings, solenoids,filters and all necessary activation electronics.Systems feature all-new black powder-coated bottles, carbon-fiber looking hoses and fittings for a variety of carburetedand fuel injection applications that are perfect forstreet/strip and all out drag-racing applications. Update your obsolete spray-bar type nitrous system with one of our Perimeter Plate Conversion Kits. This cost effective and easy-to-install alternativeimmediately delivers all the benefits of the ZEX Perimeter Plate Nitrous System without h Advanced Perimeter Injection technology results in even distribution of fueland nitrous for maximum power & engine safety; Creates a low pressure point in the intake plenum for increased engine airflow; Utilizes three revolutionary ZEX patented nitrous technologies: PerimeterInjection, Cryo-Sync Technology & Airflow Enhancement Technology; Available for square flange & Dominator applications