Fresh off the laboratories of HP and P1 Tuners with custom tuning for your 2024-2025 S650 Mustang GT and Darkhorse.  This includes custom tuning with HP Tuners platform, credits needed and our RTD4 device.  Add on tunes are available in the drop down selector which include:  E85-R, Ghost Cam and Pop-Flame (AKA Burble). The full package includes all of the add on tunes that are individually available in the drop down.