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GM Start/Stop
Key Features: Stay in V8 Mode: Prevents the Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) systems from dropping...Regular price 224.00TLRegular priceUnit price per -
AFM/DFM Disabler
Key Features: Stay in V8 Mode: Prevents the Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) systems from dropping...Regular price 233.95TLRegular priceUnit price per
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Guaranteed compatible when verified by our Concierge.
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Frequently Asked Questions
What is the AFM/DFM Disabler and how does it work?
The AFM/DFM Disabler keeps your truck in full V8 mode by disabling the automatic shift to 4-cylinder mode. It’s a simple plug-and-play solution that enhances throttle response, towing power, and driving performance instantly.
What if I entered the wrong address during checkout?
If you realize the address is incorrect, please contact us within 12 hours of placing your order to correct the details. After 12 hours, the order may have already been processed, and we cannot guarantee a change of address at that point.
Will these devices void my truck’s warranty?
No, our products are designed to be non-invasive, meaning they do not affect your truck’s factory settings or ECU. You can easily unplug them at any time without leaving any trace, so your warranty remains intact.
Are these products compatible with my truck?
Our devices are compatible with most GMC and Chevrolet trucks, including Silverado, Sierra, Tahoe, and more. Please check the specific product compatibility list on our website to ensure the device works with your truck model.
Do I need to update or maintain the devices?
No, the AFM/DFM Disabler and Auto Start-Stop Eliminator require no updates or ongoing maintenance. Once installed, they will function automatically, delivering consistent performance without any additional steps or upkeep needed.