When it comes to trusted, high-performance diesel tuning, MADS Electronics is a standout name with over four decades of experience. Known for their user-friendly, plug-and-play tuners, MADS offers dyno-proven programming designed to boost horsepower, torque, throttle response, and fuel efficiency in Cummins-powered trucks. The Smarty S-03 is a top-tier choice for Dodge Ram owners with a 5.9L 24-valve Cummins, delivering impressive performance upgrades along with built-in diagnostic and monitoring features to help identify and resolve issues quickly.
The Smarty S-03 is simple to operate, with intuitive controls and 10 preloaded tuning levels tailored for different needs—whether you're focused on fuel economy, added fueling and boost, or enhanced timing for better acceleration and towing. This tuner gives you the flexibility to fine-tune your truck's performance for everyday driving or heavy-duty hauling.
For those seeking a more budget-friendly option, the Smarty Junior for the 5.9L Cummins provides a reliable, easy-to-use performance boost. Built from durable components and thoroughly tested for long-term use, it’s an ideal choice for drivers who want dependable gains without the complexity. Just plug it into your OBD-II port, pick from one of four preloaded tunes, and you’ll be ready to hit the road in minutes with noticeably improved power and drivability.
Smarty - S-03 - Features
CaTCHER software's inside
No tools required, no fuses to pull
Ten different performance levels
USB built in for simple updates
Fastest download in the industry, up to three times faster than the competition, a typical ECM update takes less than 3 minutes
Free internet updates
ABS tire height updates in just few seconds
Most complete keyboard in the industry
Not traceable in the stock setting. Smarty leaves no footprint.
Reliable, it works off your OEM hardware
Cold weather 3 cylinders High Idle is enable in all softwares
