L5P E41 ECM - New (2017-2023 Duramax L5P)

Introducing the HP Tuners GM E41 ECM Upgrade Kit, the leading solution for automotive diagnostics and calibration. Designed for professional tuners, this kit allows for the upgrade of E41 ECMs in 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax trucks (L5P and L5D applications) without removing the original E41 ECM. The kit works with the new MPVI3 interface to unlock your E41 ECM, enabling custom calibrations, data logging, and scanning in just a few simple steps. This kit includes the HPTNet Cable, the Upgrade cable, and the Upgrade box This all-in-one kit provides the power of professional-level calibration and diagnostics with the ease of plug-and-play installation. Get the most out of your engine with this comprehensive and straightforward solution.