2020-2022 Sierra/Silverado 3.0 LM2 Off Road Kit

This kit includes all the items you would require to perform an off road modification on your 20-22 3.0 LM2 Sierra or Silverado. 

Commander flash tool comes with the E46 ecu harness and 8 credits to license the engine ecu controller. 

Trans tuning is optional but always recommended.  Requires the T87A harness with 4 credits. 

Turbo back exhaust kit with heat wrap to promote heat dissipation. 

Windows Notebook PC is required with internet access.  We recommend having a stable battery charger on the vehicle during the flash process. 

Professional installation strongly recommended.