Turn up the power on your Polaris Side by Side or ATV with HP Tuners' OBDII Adapter Cable. Plug the small black insert directly into your Polaris' diagnostic port and the black OBDII-end into your MPVI2, MPVI2+, or MPVI3 interface for full functionality. This Polaris OBDII Adapter Cable is required for tuning any supported Polaris vehicles. Before purchasing, confirm your Polaris support.