With the release of the new 2011-2012 Ford Mustang GT 5.0, ZEX engineers have custom designed a nitrous system specifically tailored to the Mustangs new 5.0 Coyote V8 engine. Engineers at ZEX not only tuned the kit to add 75-175 additional horsepower (depending on which of the included nozzles you choose to use), but also made the installation easy and ensured engine safety at the same time. This innovative nitrous systems Active Fuel Control adjusts fuel delivery with changes in nitrous bottle pressure, so your engine never runs too rich or too lean while spraying. In addition, the system also offers an electronic TPS switch for reliable system activation at wide-open throttle, which is perfect for the Mustangs throttle-by-wire system. These patented, innovative features are what make a ZEX nitrous system unlike any other kit out there. The ZEX kit is simply the easiest way to add serious performance to the new 2011-2012 Mustang GT 5.0, while at the same time ensuring engine safety. With all the extra torque and horsepower, its not uncommon to see over 1 second quicker ETs in the quarter mile! The part number for this item is 82390 and it fits 2011-2012 Ford Mustang 5.0 V8 models.