Duramax 6.6 L5P – GM Silverado/Sierra – Projects released.

Chevrolet/GMC “L5P” 6.6 Duramax engine using E41 ECM is now supported with XDF file to be imported in HP tuners VCM suite using “User defined parameters”. The projects contain also CSV file with all the needed modifications for Emissions delete for Off Road/Racing use. There is also available OLS file with all changed maps defined containing Full emissions delete and Power stage 2 inside. Supported Operating systems are: 2017 – 12666734, 12690762, 12697840; 2018 – 12690763, 12697841; 2019 – 12699524