Description: This Smarty S - 03 Tuner is a perfect fit for 1998.5 - 2002 Dodge Ram with a 5.9L Cummins engine. It comes with CaTCHER software and offers 10 different performance levels. You can install and flash it in minutes without any tools, giving you full control of your Cummins. Key Features: 10 performance levels, CaTCHER software, fastest download in the industry, ABS tire height updates, not traceable, cold weather 3 - cylinder high idle, reads diagnostic codes in plain text, plug - n - play install, USB for updates, works with OEM hardware, and a programmable speed limiter (25 - 250 MPH). Software Levels: There are multiple software levels with different functions. Level 1 is a fuel saver. Other levels offer more fuel, boost, and timing adjustments. Software Module Zero provides about half the power of stock software and is smoke - free. Software Module One is a fuel - saving option but not recommended for heavy towing. Software Module Two increases fuel delivery by the ECM, and Module Three adds timing on top of Module Two. Software Modules Four to Nine have different timing settings, with higher numbers offering more aggressive throttle response.

Using the Smarty S - 03 Tuner is a breeze. First, make sure your vehicle is a 1998.5 - 2002 Dodge Ram with a 5.9L Cummins engine. Then, you can install the tuner in just a few minutes without any tools. Simply plug it in and follow the on - screen instructions to flash it. When choosing a software level, think about your driving needs. If you want to save fuel, go for Software Module One, but avoid heavy towing with it. Software Module Zero is great when you need less power or want to avoid smoke. For more power and performance, try the higher - numbered software levels, but be careful on slippery roads as they have more aggressive throttle response. As for maintenance, keep the tuner clean and use the USB port to update the software regularly. This will ensure your tuner works well and keeps your engine performing at its best.