HPT E41 L5P New ECM (*VIN Required*) - ECM-00-L5P-P HP Tuners $1,499.99 Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning by purchasing a brand-new E41 ECM from HP Tuners that's already upgraded for tuning and diagnostics.
HPT ECM Exchange (*VIN Required - Must Mail in ECM*) - ECM-00-L5P-E HP Tuners $649.99 Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning with HP Tuners E41 ECM Exchange service. Exchange your original E41 ECM for one that's already upgraded for...
HPT E93 L8T New ECM (*VIN Required*) - ECM-00-E93-P HP Tuners $699.99 HP Tuners E93 ECM 20-23 GM 6.6L