Diesel Performance Specialists
Unlock Your Diesel's True Potential
Precision ECM calibrations engineered for maximum power, torque, and efficiency. Built for serious diesel owners who demand more.
Tuning Packages
Choose Your Power Level
Every package is dyno-tested and calibrated to your exact engine. No generic maps — real results.
Stage 1 Performance
+80 HP / +150 LB-FT TQ
Entry-level tune optimized for daily drivers. Improved throttle response, better fuel economy, and a noticeable power bump.
Stage 2 Aggressor
+160 HP / +300 LB-FT TQ
Built for towing and hauling. Maximizes low-end torque and EGT management for trucks that work hard.
Stage 3 Competition
+340 HP / +600 LB-FT TQ
Full-send calibration for modified trucks. Race-grade tuning with custom fueling maps and boost optimization.
Built for Diesel. Tuned for Dominance.
Real Owners. Real Results.
What Diesel Owners Say
Night and day difference. My Cummins pulls like a freight train now. ECM Calibrations knows their stuff — every number they promised, delivered.
Jake M.
2021 Ram 2500 Cummins 6.7L
Stage 2 tune transformed my Duramax. Towing my fifth wheel up mountain grades used to be a sweat — now it barely notices the load.
Travis R.
2019 Chevy Silverado 2500 Duramax
These guys are the real deal. Dyno sheets don't lie. Best money I've spent on my truck, period.
Derek S.
2020 Ford F-350 Powerstroke 6.7L
Ready to Dominate the Road?
Every tune is dyno-tested and custom-calibrated to your exact truck. No guesswork. Just results.