Key features

• •【Disable Fuel Management Systems】The GMAFM AFM & DFM disabler fully disables active and dynamic fuel management, eliminating engine performance restrictions.
• •【Full Power Mode】 Keep your car at full power 100% of the time. Simply plug into your onboard OBD-II port, and it instantly begins working to eliminate the AFM/DFM system.
• •【Broad Compatibility】 Compatible with most V6 and V8 GM vehicles with active or dynamic fuel management, including cars, trucks, and SUVs.
• •【Non-Intrusive】 The GMAFM AFM Disabler does not modify the original ECU programming; simply unplug it to return to factory default settings.
• •【Compatibility Note】 The GMAFM AFM/DFM Disabler is not compatible with 2019+ Silverado and Sierra models equipped with 5.3L / 6.2L engines and 10-speed transmissions.
• •【Battery Maintenance】If the GMAFM AFM Disabler is not used for an extended period, please remove it to prevent battery drain.