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. The ZEX 2003-2006 350Z Nitrous System is the only direct fit nitrous system on the market for thisincredible car. The kit includes a custom designed billet fuel adapter that simply bolts on to the factoryfuel rail. This adapter keeps you fr Adjustable from 55 to 100 HP; perfect for serious performance increases; ZEX Active Fuel Control adjusts fuel enrichment with variations in bottlepressure; so you are never too rich or too lean; ZEX electronics activate the nitrous system only at wide open throttle; Every hose, wire & a custom machined billet fuel rail adapter has been engineeredspecifically for a perfect fit on the 2003-2006 350Z.