Fast guide to  Smarty-JR Features CaTCHER software's inside Three different  performance levels: 40 / 70 / 100 hp Improved fuel economy Optimized drivability Fastest download in the industry, up to three times faster than the competition, a typical ECM update takes about 3.5 to 5 minutes, depending on the truck model ABS tire height updates in just few seconds from 22,5 to 44 Not traceable in the stock setting. Smarty leaves no footprint Manual High-Idle is enabled in all softwares Reads  Diagnostic Trouble Codes in plain text No tools required, no fuses to pull USB built in for simple updates from internet Easy installation Reliable, it works off your OEM hardware Now with the Power on Demand function!!! Â