GM truck and SUV owners, this little device solves that annoying cylinder deactivation issue! If you're tired of that shuddering feeling when your V8 drops to 4 cylinders, this AFM/DFM disabler is your answer. It's literally plug-and-play - just connect it to your OBD-II port and it immediately keeps your engine running in full V8 or V6 mode all the time. No more weird vibrations or that hunting feeling when it switches between modes. The LED lights tell you what's happening - all lights on when you're driving means AFM is disabled, yellow light only when stopped means it's in standby. Best part? It doesn't reprogram your ECU or void your warranty - just unplug it and everything returns to factory settings. Works with most GM V6 and V8 vehicles with active or dynamic fuel management, but important note - it's NOT compatible with 2019+ Silverado/Sierra with 5.3L/6.2L and 10-speed transmissions, or 2022 refresh models. For everyone else though, it makes driving so much smoother and gives you consistent power delivery. No more worrying about lifter issues from constant cylinder deactivation either. It's one of those simple solutions that dramatically improves your driving experience!
Free 30-day returns 
Free 30-day returns
