The Range AFM/DFM Disabler allows your V6 or V8 GM vehicle to run in full cylinder mode at all times, preventing the Active or Dynamic Fuel Management system from dropping cylinders.;

Our patented technology is the only product that will disable Active or Dynamic Fuel Management without reprogramming the factory ECU. Full power delivery all the time without factory warranty concerns. *It is suggested the device be unplugged if the vehicle is not being driven daily or left for a few days. There may be a power draw on the battery in some applications.;

• Range AFM/DFM Disabler keeps you in full power 100% of the time.
• Simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM/DFM system.
• The power and control you need in any situation.
• The Range AFM/DFM Disabler does not reprogram your factory ECU.
• Leaves no trace. Unplug it to return to factory settings
• Fits all V6 and V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks, and SUVs.