24-25 L5P RTD4 Custom Tune Files

Wake up your 2024–2025 Chevy Silverado or GMC Sierra 6.6L L5P Duramax with Motor Ops single tune files built for real performance gains. Whether you’re hauling heavy, daily driving, or chasing max horsepower, there’s a calibration here to match your style.

Note: This package is tunes only. You’ll need an RTD4. MPVI2/MPVI3 cannot be used at this time. You will also need 8 tune credits.