OBD-II Plug Device GTMOTOR GREATUS RA003 AFM/DFM Active Fuel Management Disabler Compatible With GM Vehicles V6 Or V8 Ra003 Disabler For Chevy Gmc Easy to install, just find the corresponding OBD-II port and plug it in (plug and play) RA003 Active Fuel Management Disabler Device AFM For GM V6 And V8 Engine (Plug And Play) Making Vehicle More Horsepower ; Color : As Shown ; Delivery: Dec. 13 The vehicle's factory ECU will be retained and will not be programmed. About this item Product details Simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM/DFM system. Fits all V6 and V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks, and SUVs AFM Disabler Device Suitable for Chevy/GMC V6 Engine Vehicles and V8 Engine Vehicles For GM Vehicles Range Technology Active Fuel Management AFM Disabler RA003 - EGR Performance Pulling out the plug will restore the factory settings, and the plug will not be used for a long time.