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2007 GMC Sierra Performance Chips & Programmers

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews

Range Active Fuel Management

Reviewed By john l (GULFPORT, MS) Reviewed for a 2007 GMC Sierra —8/4/2016 4:27 AM

Why did I wait so long to get this? After reading reviews I purchased...results..way better acceleration, transmission does shift better and i get about same gas mileage without the oil burning!

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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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