This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.
Dynojet Auto Tune Kit For Power Commander V For Harley
The AutoTune kit comes with a wideband O2 sensor and controller that connects to the Power Commander V. With this kit, the Power Commander V automatically adjusts the fuel map while riding.
Features:

Plugs directly into the Power Commander V with a single cable

Includes O2 sensors and power connectors that plug into the bike’s harness

Makes automatic fuel adjustments

User can specify what air/fuel ratio to make each RPM and throttle position percentage combination

Makes it possible to adjust cruise for best fuel economy as well as larger throttle openings for peak power 

Base settings included for air/fuel ratios but are fully adjustable

Made in the USA
Note: Does not come with Power Commander V required for use of Auto Tuner.