It is highly suggested to monitor EGT's on Levels 4&5.
 
Limited Support Package: This package provides access to all tunes for 4 weeks. After 4 weeks, the tunes installed in the vehicle remain. This can be upgraded to the Full Support Package at anytime as long as the vehicle is still supported.

Full Support Package: This package provides access to all tunes for as long as we support this vehicle.
Note: 2018+ Requires SGM Bypass Cable