2024-2026 Duramax Motor Ops HP Tuners RTD4 Custom Tune Package

Fits

You must have the HP Tuners ECM Unlock Service done first. Click here for the service.

Turn your 2024–2025 Chevy Silverado or GMC Sierra 6.6L L5P Duramax into a full-performance rig with the Motor Ops bundle. This package includes both the tuning device and the single tune files, so you can flash your ECM yourself and unlock serious gains whether you’re hauling, daily driving, or chasing max horsepower.

Note: This package includes both the tunes, the device and 8 credits. Click here for just the tunes.

Once you’ve shared your stock read with your tuner in the TDN app, please email us. We’ll notify the tuning company and keep things moving.

TDN Code: JGVD-8122

Race / Max Effort
Maxes out the factory turbo
+140 RWHP / +260 ft-lbs over stock

Sport
Unloaded daily driving fun
+100 RWHP / +200 ft-lbs over stock

Light Tow
Tow up to 8,000 lbs & still enjoy sporty driving
Safe EGTs at or below factory
+80 RWHP / +190 ft-lbs over stock

Heavy Tow
Tow up to GVWR with a wider torque curve
Safe EGTs at or below factory
+40 RWHP / +100 ft-lbs over stock

Optimized Stock
Refined factory calibration
Better throttle response, smoother power
+15 RWHP over stock

Click Here for Instructions