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. For serious race applications, the ZEX Race EFI Nitrous System is the best choice. Featuring Fuel Shear Technology, enrichment fuel is injecteddirectly into the center of the nitrous plume, yielding total and even fuel atomization. Tunable Delivers 100-250 HP increase; Features several unique ZEX technologies: Active Fuel Control,Fuel Shear Technology & patented TPS switch; Designed for serious street/strip & race applications