ATP EFILive AutoCal Duramax Level 2 Street Max LB7 LLY LBZ LMM
Level 2 Street Max AutoCal for your Duramax. This is the choice for your built tranny and stock turbo and stock injectors.
Must have a lift pump to support tuning over 150 HP.
Adds 150 to 200HP. Read more details below.
Experiece EFILive by 'IdahoRob.' Get the very best tuning for drivability, mileage, and towing. Includes DSP5 Switch.
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