HP Tuners PCM - GM E41 12683624 / L5P

HP Tuners exclusively presents our L5P ECM Exchange Service, giving you the power to tune your 2017+ Chevrolet Silverado / GMC Sierra 2500/3500 6.6L Duramax. Simply send us your ECM (or a new spare one, preferred) and we will exchange it for a HP Tuners modified ECM giving you full access to calibrate, log and scan via the OBD2 port with your MPVI2 and VCM Suite 4!