The Mads Electronics Smarty has made a name for itself as the programmer to have for the common-rail Cummins, so we were curious to see what it could do for a VP44-equipped truck (P/N S-03).

I have an ’02 Cummins-powered Ram with a 5-inch straight exhaust, a Scottie 2 intake that sucks air from the fender and the cowl, a MADS Smarty programmer, an Industrial Injection Hot Rod VP44 ...