The SHP RTD+ delivers street-tested, dyno-proven tune files developed in-house on our DynoJet 224xLC Dyno to unlock each vehicle’s true potential. The RTD+ can be used with the TDN app for Apple or Android phones or tablets to read and flash the vehicle with our custom tunes. A variety of customizable vehicle functions and tools enable the RTD+ to custom tailor your vehicle to your unique standards. License Credits not included with device but are purchased at time of the Custom tune.