Smarty UDC Tuning for MM3 Hardware

Features:

• Includes Smarty MM3 hardware and custom tuning
• Supports real-time tune switching
• Designed for 2018 RAM 6.7L Cummins
• Direct J1939 engine connection for fast communication
• 4.3" high-resolution color touch display
• Twin CPU for ultra-fast processing and updates
• Fastest ECM download and PID refresh speeds
• Stores multiple custom tunes on micro SD card
• TPMS threshold adjustment built into interface
• Custom alarms for high and low engine values
• Simple tune updates via included micro SD card
• Compatible with optional MM3 EGT probe

Unleash Your Cummins With One Powerful Package

If you're ready to take full control of your 2018 RAM 6.7L Cummins, the Smarty UDC Tuning Package with MM3 hardware is built to make it happen. This all-in-one setup gives you the ability to load custom tunes, monitor performance, and switch power levels in real time without ever leaving the driver seat. The included 4.3-inch color touchscreen is sharp, fast, and easy to navigate, making adjustments feel simple and intuitive even if you’re new to tuning. Whether you're daily driving, towing, or pushing for maximum performance, this setup gives you the tools to tailor your truck’s behavior to fit your needs. The twin CPU design makes the MM3 one of the fastest tuners on the market, so you’ll spend less time waiting and more time driving. With support for multiple custom tunes and built-in alarms to monitor your engine's vitals, this is the tuner for guys who take performance seriously but still want reliability and convenience. It’s a clean, modern upgrade that adds serious capability to your Cummins without overcomplicating the process.

High Speed Tuning With Full Engine Insight

The Smarty UDC Tuning for MM3 hardware is designed for advanced, emissions-equipped tuning on 2018 RAM 2500 and 3500 trucks with the 6.7L Cummins. Featuring a direct J1939 connection to the engine, this setup allows faster data delivery and tune responsiveness compared to traditional OBD-only interfaces. The MM3 platform is built around a twin CPU system that enables lightning-fast ECM download speeds, rapid PID refresh rates, and near-instant display startup in just four seconds. Users can store multiple custom tunes on the included micro SD card and switch between them on the fly, all through the crisp 4.3-inch color touchscreen. It also supports TPMS threshold adjustments and lets you configure high and low parameter alarms for visual and audible alerts, helping you keep your engine in a safe operating range. The system is compatible with an optional MM3 EGT probe, offering exhaust gas temperature monitoring accurate up to 2200°F for serious towing or performance use. With the speed and depth of control this package offers, it’s a perfect choice for drivers who demand fast, reliable tuning with real-time visibility of their truck’s health.

Fitment: 2018 RAM 2500/3500 6.7L Cummins

Notes:

• Designed for 2018 RAM 2500/3500 6.7L Cummins
• Includes Smarty MM3 hardware and custom tuning
• Supports real-time tune switching while driving
• Direct J1939 engine connection for faster communication
• Twin CPU design offers industry-leading speed and responsiveness
• 4.3" color touchscreen with fast four-second startup
• Micro SD card included for storing multiple custom tunes
• TPMS threshold adjustment is built into the system
• Audio and visual alarms can be set for engine parameters
• Recommended to pair with MM3 EGT probe for temperature monitoring
• Reads exhaust gas temps up to 2200°F (probe sold separately)
• Built for users who want custom tuning and real-time engine insight