This device is compatible with most GM V6 and V8 engine vehicles trucks,and parts of chevrolet cadillac buick holden pontiac saturn car vehicles
This device will keep the vehicle in V8 mode all the time,keeping your car in full cylinder mode all the time, no more shuddering or dropping cylinders
Plug the device in and it instantly begins working to disable the AFM DFM system,please unplug the device when you do not use the car for a long time
It won't program the ECU of the vehicle, and won't affect other functions of the vehicle,but modified vehicles are cautious to buy
Note: keeping V8 mode the water temperature maybe increase during driving, device is not compatible with 2019-on Silverado and Sierra models with 5.3L/ 6.2L engine and 10-speed transmissions
