HC12 Fuel Saver is designed to tune your ECU to produce serious gains in fuel efficiency
with no loss of power.
It communicates directly with the ECU through the OBD-II port.


Recommended modifications :

- K&N or equivalent non-restrictive intake
OGO
-HC12 Fuel Saver is compatible with factory equipped Turbo/Superchargers,
  diesel engines, Flex-Fuel, & HHO supplement systems.


It is NOT compatible with hybrid engine options, propane, or natural-gas.