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Montgomery Performance Chips

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Latest Customer Reviews

Range Active Fuel Management Disable Device Reviews


2009 Silverado 5.3L

Reviewed By Michael G (AMARILLO, TX) —12/14/2014 4:56 AM

I noticed an annoying exhaust note change when the AFM would kick in. The range device corrected that problem instantly. Product seems to well constructed of solid materials. I haven't had a chance to check any mileage changes but at this point I am satisfied to have the engine at full power. The truck is more responsive to the throttle.

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Range Active Fuel Management Disable Device Reviews


satisfied customer

Reviewed By Casey M (BOONS CAMP, KY) Reviewed for a 2008 Chevy Silverado —12/13/2014 4:11 PM

the range device works great better fuel economy more power and faster shifting would recommend to everyone with AFM engine.

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Range Active Fuel Management Disable Device Reviews


I am glad that I found range for my 2013 5.3 silverado.

Reviewed By Dale W (OSKALOOSA, IA) —12/13/2014 7:21 AM

I own a 2013 silverado with afm. I plugged in my range and I have v8 engine operation all the time, I think this will be better for my engine the fuel millage is about the same so I am very happy as of now.I will report back if I have any problems. Dale.

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