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. Finally, a custom made kit for 1999-2004 Mustangs. With power settings adjustable from 75-175horsepower, this kit features custom engineered hoses, wires and billet fuel rail adapters for a perfectfit and easy install. Like all ZEX kits, th Includes Jet Pack # 82217JP 75-175 HP, a perfect power range for stock or fully built engines; Billet fuel rail adapter bolts right on, no drilling required for the kit?s fuel connections; Fuel jets have been tuned for the 40 psi fuel pressure found on these Mustangs Fitment: 1999 Ford Mustang GT 2000 Ford Mustang GT 2001 Ford Mustang GT 2001 Ford Mustang GT Bullitt 2002 Ford Mustang GT 2003 Ford Mustang GT 2004 Ford Mustang GT