The 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...

The 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...

Provides usb connectivity for custom mapping.Includes 6 foot usb cable and windows xp/vista/7 drivers on cdrom.Allows for editing of various tables and parameters.3d tables are used for front and...