DSX FLEX FUEL KIT FOR 2016+ CTS-V The dual wideband setup uses

The dual wideband setup uses two AFX3 widebands with NTK sensors that are specifically programmed for the Atlas™ controller (you cannot just run your own wideband of whatever choice you want)

Don't settle for imitations

Gone are the days of needing to hack up the airflow modeling and skew torque to get things back to semi-functional state

so you will need to use VCM Editor as a bare minimum to patch and reflash the ECU

DSX FLEX FUEL KIT FOR 2016+ CTS-V The dual wideband setup usesThe DSX Tuning flex fuel kit is the original plug and play solution to adding flex fuel on Gen IV Gen V GM V8 vehicles. Use these kits to add the ability to run anywhere from straight gasoline to straight ethanol as well as reveal the true power potential of your setup. Forced induction scenarios especially benefit from the use of ethanol, and these allow you to seamlessly switch between gasoline and ethanol without having to monitor your fuel content