Range Technology AFM/DFM Disabler

All Cylinders. All the time.

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

Range's 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. CARB testing process in progress!

• 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 system.
• Also disables Auto Start/Stop.
• 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. (Select Buick, Chevrolet, Isuzu, Saab, Suzuki, Cadillac, GMC, Pontiac, Saturn)
• This device does not currently support the 2022 Refresh model trucks or SUV's
• *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.