WHIPPLE Whipple SuperChargers are "Twin Screw" units that are Ford Racing authorized!  This system is an excellent way to upgrade to the horsepower you desire!  Call us for prices. SuperChargers available for  2003-2004 Cobra SuperChargers available for 2005-2008 GT SuperChargers available for 2007-2008 GT500 VORTECH Vortech SuperChargers are designed for maximum performance at safe boost levels on stock unmodified engines. Vortech superchargers also have true OEM quality fit and finish-designed to fit under any factory hood.  Call us for prices. SuperChargers available for 1986-2008 Mustang/GT/Cobra KENNE BELL Kenne Bell SuperChargers are very impressive "Twin Screw" systems that deliver excessive power to your Mustang.  This supercharger will turn anyone’s head!  This supercharger makes maximum power and torque-it’s an abundance of smooth, quiet, brutal power in any gear at any rpm from 1500 to redline. SuperChargers available for 1986-2007 GT/Cobra/GT500 Kenne Bell SuperCharger Prices