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GMC Sierra Range Technology Performance Chips

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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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Range Active Fuel Management Disable Device Reviews


Works well!

Reviewed By Gavin M (Ocean Springs, MS) Reviewed for a 2008 GMC Sierra —7/29/2016 4:59 AM

The Range AFM Device has helped with smoother shifts by keeping my engine in V8 mode is the biggest thing I have noticed.

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Range Active Fuel Management Disable Device Reviews


Plug and Play!

Reviewed By Kyle R (Pembina, ND) Reviewed for a 2013 GMC Sierra —7/21/2016 7:36 AM

Plugged it in and its like driving a different truck, no more waiting for the AFM to decide to switch bach to V8. Simple, easy fix to prevent future engine problem on my 5.3.

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