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. Add this kit to an otherwise stock Jeep Grand Cherokee SRT8 and you?ll be running low 12s in thequarter mile. Mildly modified Jeep SRT8s have already been in the 11s. The custom Jeep SRT8 fuelrail adapter clears the tight fuel rail connecti Adjustable from 75-125 HP; Special fuel line adapter for the Jeep SRT8 engine makes for easy install; Low 12 second quarter mile for stock Jeep, high 11 second E.T. with basic bolt-ons; Supplied fuel line quick connectorsmake installation on the SRT8 easy withno cutting or drilling needed. Fitment: 2006 Jeep Grand Cherokee SRT8 2007 Jeep Grand Cherokee SRT8 2008 Jeep Grand Cherokee SRT8