DAYTONA Twin Tuner Ii 07-21 Xl & 01-11 Tc W/ 36 Pin - 16200

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 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.

• Not legal for use in California on pollution controlled vehicles - Check local laws before installing