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2007 GMC Sierra Performance Chips & Programmers

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews

Works great on my GMC 6.0

Reviewed By Tim D (Chickamauga, GA) Reviewed for a 2007 GMC Sierra —12/10/2015 6:51 AM

This is my second truck with AFM, but I couldn't tell when the truck went from 8 to 4 cylinders on my previous vehicle. This truck would vibrate and make an annoying noise when switching back and forth . The Range took care of all issues. The truck runs great and my mileage actually went UP about 1 mpg. Not sure how that's possible, but it's the truth. For about half of the price of a tuner, it's a great value as well. I would recommend the Range to anyone with AFM issues.

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Hypertech Speedometer Calibrator Reviews

recal speedometer

Reviewed By Eddie J (Harriman, TN) Reviewed for a 2007 GMC Sierra —8/6/2015 1:01 PM

product arrived in short time had to get update but tech support helped right away no problems. checked speed against GPS and distance markers shows to be right on. good product

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Hypertech Max Energy Programmer Reviews

noticeable gains

Reviewed By NICK M (Alta Loma, CA) Reviewed for a 2007 GMC Sierra —1/2/2015 9:16 AM

I noticed the engine opens up now when I want it to. Before the response wasn't there. But it wasn't easy figuring out the shifting configurations. I had to research some forums but there's not much shared about it. I paid $275. Great deal

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