Get the maximum power and fuel mileage out of your 2009-2010 Ford F-150 with Hypertech's newest Max Energy Handheld Performance Tuner. Max Energy increases engine efficiency, horsepower, and torque by optimizing the spark and fuel curves point by point over the entire rpm band. Applications for 4.6-liter V-8 (+8 hp @ 3800 rpm, +15 ft-lb @ 2600 rpm claimed) and 5.4-liter V-8 Flex (+36 hp @ 4800 rpm, +42 ft-lb @4400 rpm claimed) are available.