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. Due to a fuel system redesign on the 2005 to 2010 Mustang GT, standard EFI nitrous kits are no longercompatible for these vehicles. ZEX developed a plug & play kit especially for these Mustangs that isadjustable from 75-175 horsepower. The Includes a billet fuel rail adapter for tapping into the Mustang?s fuel system;a must-have component when installing nitrous on 2005-2010 Mustangs; Patented electronic TPS switch activates nitrous at wide open throttle; Adjustable from 75-175 HP; perfect for stock or modified engines Fitment: 2005 Ford Mustang GT 2006 Ford Mustang GT 2007 Ford Mustang GT 2007 Ford Mustang Shelby GT 2007 Ford Mustang Shelby GT500 2008 Ford Mustang Bullitt 2008 Ford Mustang GT 2008 Ford Mustang Shelby GT 2008 Ford Mustang Shelby GT500 2008 Ford Mustang Shelby GT500KR 2009 Ford Mustang Bullitt 2009 Ford Mustang GT 2009 Ford Mustang Shelby GT500 2009 Ford Mustang Shelby GT500KR 2010 Ford Mustang GT 2010 Ford Mustang Shelby GT500