TWIN TUNER II 12-17 FXD & ST W/CAN BUS UTV Vehicles>>Can-Am>>Defender>>Defender X MR The window uses a heavy-duty

The window uses a heavy-duty

The muffler is equipped with a factory sensor bung

This modification can significantly lower cold air intake temperatures by up to 60 degrees

Handy kit includes all tools necessary to completely disassemble carb

TWIN TUNER II 12-17 FXD & ST W/CAN BUS UTV Vehicles>>Can-Am>>Defender>>Defender X MR The window uses a heavy-dutyThe Twin Tuner II has all of the features of the Twin Tuner and also allows retarding of the spark timing up to 10 to help prevent pre ignition knocking. The user interface consists of up down pushbuttons and a bright daylight readable LED display to select and change the fuel trim and spark retard in the RPM and throttle position ranges required by most applications.