HP Tuners RTD - StandardThe HP Tuners RTD interface lets customers send vehicle data and share data directly with our tuning dept and then receive RIPP tune files to load to their vehicle via the TDN app on their smart phone! The RTD offers full iOS and Android support with the TDN app. RTD will plug into your vehicles OBDII port and pair to your smart phone to simply send and receive vehicle tunes. This technology not only simplifies the tuning process but also introduces a