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GMC Range Technology Performance Chips & Programmers

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews

Best of BOTH worlds...

Reviewed By Jon R (Wichita Falls, TX) Reviewed for a 2012 GMC Sierra —3/18/2015 8:54 PM

Our 2012 GMC Sierra 5.3L truck drives totally different now! Much improved drivability & untraceable full-time V8 if our GM dealer ever checks on it. In just under 2 weeks of driving our MPG has gone UP 0.2 already! This is 90% in town driving too! Also, this device does NOT interfere with the smart phone remote start, lock/unlock, vehicle info functions. Leaving the Range plugged in 24/7, will block the monthly OnStar diagnostic report. So just unplug when vehicle sits unused...

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