HP TUNE FILES (2020–2023 DURAMAX L5P 6.6L)
HP TUNE FILES (2020–2023 DURAMAX L5P 6.6L)
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Modern Tuning for Next-Gen L5P Performance
Step into a new level of control and power with HP tune files built for the 2020–2023 L5P Duramax. These custom calibrations unleash serious gains in throttle response, torque, and overall drivability — all while staying within safe operating limits for your specific setup.
Built to bring out the best in your late-model GM diesel.
✅ What’s Included:
Custom HP tune files tailored for 2020–2023 L5P Duramax
Files built for your mods, usage, and transmission strategy
Compatible with HP Tuners RTD+ or MPVI3 (depending on your device)
Delivered digitally
🔧 Key Benefits:
Improves power delivery across the RPM range
Enhances shift logic, torque management, and throttle feel
Safe for towing, street, or performance use
Tested and proven tuning for real-world results
🚙 Vehicle Fitment:
2020–2023 Chevrolet Silverado & GMC Sierra 2500HD / 3500HD
Engine: 6.6L Duramax L5P
Tune Type: HP Tuning Files
Delivery: Digital via Email
