DFM Module GM Refresh
$281.95
$249.95
FNBR_RA007
All
Control Modules
Electrical, Lighting and Body
Multi-Function Module
*Some vehicles may still engage 0-cylinder mode while coasting with this product installed. During extensive testing, it was found that completely disabling this function...
AFM/DFM Disabler-Blue
$292.95
$265.95
FNBR_RA003B
All
Control Modules
Electrical, Lighting and Body
Multi-Function Module
Whether you’re towing, off-roading, or daily driving, the Range Technology AFM/DFM Disabler ensures your engine stays in full power mode for better throttle response,...