Collection: 2019-2021 Cummins 6.7L Tune Files

Your 2019–2021 Cummins 6.7L with DIESELR Tune Files

Get the full potential of your 2019–2021 Cummins 6.7L engine with DIESELR's premium tune files. Whether you're aiming for improved towing capacity, better fuel efficiency, or enhanced throttle response, our custom tuning solutions are designed to deliver.

🔧 Top Tune Files for Cummins 6.7L

• ✅ Custom-Built Tune Files
  Tailored specifically for your truck’s year, drivetrain, and configuration, ensuring optimal performance.
• ✅ Switch-On-The-Fly (SOTF) Options
  Change tuning levels in real-time using a 5-position switch or steering wheel controls (when applicable).
• ✅ Compatibility with Leading Tuning Platforms
  Our tune files are designed to work seamlessly with popular tuning platforms, providing flexibility and ease of use.

🚛 Vehicle Fitment

• 2019–2021 RAM 2500/3500 6.7L Cummins

💡 Why Choose DIESELR for Your Cummins 6.7L Tuning?

• Remote Flashing: No need for bench unlocks or ECM removal.
• Custom Calibration: Files built specifically for your truck’s year and drivetrain.
• Expandable Options: Add switches, brackets, and support packs as needed.
• Off-Road Ready: Designed for closed-course and competition use only.