17 of 17 Items
17 of 17 Items
Unlock the full mechanical potential of your late-model GM diesel with our premier custom software calibrations built exclusively for the 2017-2026 6.6L L5P and L5D Duramax platforms. Operating on advanced engine parameters, our dyno-tested calibration maps reshape your factory fueling schedules, boost curves, and injection timing paths cleanly. We specialize in robust calibrations delivered via leading hardware interfaces like HP Tuners VCM Suite and cloud-synchronized EZ Lynk Auto Agent systems, including comprehensive security overrides for the locked Global B E41 ECM architectures. Whether you need an emissions-compliant street tune to resolve dead-pedal lag, a dedicated heavy-haul towing profile optimized for safe exhaust gas temperatures (EGTs), or a max-effort track calibration file to complement upgraded G3 turbochargers or drop-in compressor wheels, our custom tunes deliver crisp throttle response, clean torque output, and total mechanical safety.