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GMC Range Technology Performance Chips & Programmers

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews

New Sierra/?silverado

Reviewed By ruben g (Westfield, MA) Reviewed for a 2014 GMC Sierra —7/24/2015 3:22 AM

Purchased these units for our 2014 Silverado v6 and 2014 Sierra v8 and made a dramatic change , better performance all around and have not had to remove and install daily for usage , best thing on the market for the active fuel management . No longer is the transmission hunting around or the engine bogging down .

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