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Range Technology AFM/DFM Disabler (RA003B) - $140
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Plugs directly into the OBD-II port and keeps compatible engines operating in full-cylinder mode at all times. It does not permanently reprogram the vehicle—simply unplug it to restore normal factory operation.
- Plug-and-play installation
- Disables Auto Start/Stop
- No tuning required
- Red LEDs
- Clean and in good working condition
Compatible with many 2007–2022 GM vehicles equipped with AFM or early DFM systems. Not compatible with 2021-and-newer GM SUVs or 2022.5-and-newer refreshed Silverado/Sierra trucks. Buyer is responsible for confirming compatibility with their specific vehicle and the part number shown.
Price: $140 OBO