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.
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.


