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, smoother acceleration, and improved performance consistency. Compatible with a wide range of GM applications including the Chevrolet Silverado, Tahoe, Suburban, GMC Sierra, Yukon, and Cadillac Escalade. This device is trusted by enthusiasts who demand the best from their trucks.