The ZEX Classic Purple Nitrous System is iconic ZEX. Onlookerswill recognize the infamous purple bottle as yourace past the competition. This Classic Purple System issure to draw attention and have the crowd talking. 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 2009 Jeep Grand Cherokee SRT8 2010 Jeep Grand Cherokee SRT8 2012 Jeep Grand Cherokee SRT8