Collection: Dieselr Cummins Tuning

Dieselr Cummins Tuning is written for one purpose: to make your Dodge Ram truck perform the way it should have from the factory. Our files aren’t recycled stock tunes or inflated dyno numbers—they’re custom, tested, and proven on real Cummins trucks.

From single-level tuning for towing and daily use to full SOTF (Shift-On-The-Fly) setups for versatile performance, Dieselr performance tuning gives you real horsepower, torque, and drivability without compromising reliability. Transmission tuning is also available for smoother shifts and stronger power delivery under heavy loads.

This collection covers Cummins engines from the early 5.9L to the latest 6.7L platforms. Every tune is designed with balance in mind: more pulling power, better drivability, and the reliability that serious Ram owners demand.

Dieselr Cummins Tuning isn’t about hype. It’s about files that work, tested results, and performance you can trust when the road gets heavy.