What is a smarty for Cummins?
Smarty Tuners allow you to fully adjust the engine power. You can increase the system power and rotation if you wish. These devices also help to regulate fuel emissions and are usually used for more economical consumption. Users achieve the most balanced diesel engine performance with these tuners. However, all the auto settings are always displayed on the unit and you can always make adjustments based on the tasks you are setting for yourself.