One of the easiest ways to increase horsepower on your 2005-10 Mustang GT, GT500 or V6 is by using a Mustang tuner or programmer. They are extremely simple to use and can provide significant horsepower gains in just minutes. A tuner or programmer offers improved throttle response, more power, increased shift firmness (auto), increased rev limiter or top speed limiter or even the ability to switch between tunes. Unlock more of your 2005-10 Mustang’s potential power with a performance programmer and tuner; these are the modern way to safely tune your Mustang to extract the maximum horsepower and performance possible in a matter of minutes. Take a look at the Diablosport InTune tuner that replaces the now discontinued Predator tuner. The Intune plugs into the OBDII port to retune your Mustang to add more horsepower and torque as well as provide additional tunes for headers, cold air intakes, throttle bodies and much more. The Diablosport Trinity is another top of the line Mustang tuner that comes pre-loaded with multiple tunes and includes cold air tunes from some of your favorite manufacturers. Recalibrate your speedometer for a change in wheel size or even a change of rear gear ratios. SCT chips and tuners use the handheld power flash SF3 and X3 tuners as well as their premium programmer the Livewire. The Superchips ITSX wireless mustang tuner connects wirelessly through a blue tooth connection, re calibrates your Mustang’s computer to offer improved horsepower and torque, improve throttle response, improve shifts and even improve gas mileage. The SCT ITSX tuner is all monitored using your Iphone or Ipad and even features on screen virtual monitors, performance tests, 0-60 performance, brake tests, monitor vehicles engine data and much more. Hypertech max energy handheld tuners and Superchips FlashPaq and Cortex tuners also offer a great way to increase performance. Each tuner and programmer is pre-loaded with tunes designed specifically for stock and slightly modified 2005-10 Mustangs with cold air kits, exhaust systems, gear ratio changes, etc. Custom SCT tunes can also be ordered and downloaded.