TUNED TO SEND IT
Custom performance tuning for your Duramax 2024-2026, built for off-road and closed-course competition. Your tuner calibrates the ECM to your exact build and goals — waking up throttle response, sharpening power delivery, and pulling stronger through the RPM range. Elite-level custom tuning, for the HP Tuners platform. Requires a compatible HP Tuners device (sold separately).