Smarty

Tuning is a sure-fire way to give your tough Cummins build a ton more horsepower and torque, and some of the best Cummins tunes out there come from our friends at Smarty Tuners. Smarty offers some of the most powerful and reliable Cummins performance tunes on the market all in extremely easy-to-use devices that give your truck big power in only a matter of minutes. The Smarty S and Smarty Jr. tuning devices come loaded with extremely powerful tunes that can also be used in conjunction with other Cummins parts and accessories to really take your Cummins build to the next level.