2014-2018 Chevrolet Silverado 1500 AFM/DFM Disabler
Unlock the full potential of your 2014–2018 GM Silverado or Sierra 1500 with Range Technology’s plug-and-play modules. Designed for 5.3L and 6.2L engines, these easy-to-install devices disable AFM/DFM systems or Auto Start/Stop functions, delivering smooth power, reliable performance, and improved throttle response—all without reprogramming your ECU.
Run all cylinders, all the time. The Range AFM/DFM Disabler keeps your GM V6 or V8 in full power mode, blocking Active and Dynamic Fuel Management without touching your ECU.