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2011 GMC Sierra Power Programmers & Performance Tuners

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Latest Customer Reviews

Superchips Flashpaq Tuner Reviews


Reviewed By Samuel U (Flower Mound, TX) Reviewed for a 2011 GMC Sierra —8/14/2015 8:39 PM

Awesome product. I was amazingly surprised at the difference it made in the performance. ...wish I would have purchased this a long time ago.

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Range Active Fuel Management Disable Device Reviews

Great Product!!! 2011 GMC Sierra SLE 5.3L

Reviewed By Alan H (DULUTH, MN) Reviewed for a 2011 GMC Sierra —6/11/2015 7:32 AM

I should have bought this years ago. The AFM in my truck was causing constant lurching and was making my driving experience more and more unbearable. Simple plug and play install and my truck runs like new again. No more bouncing back and forth between 4 and 8 cylinders, no more puffs of smoke when I stomp on it. Works exactly as described. I've had it for 30 days now, not one complaint.

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Hypertech Max Energy Programmer Reviews

Daily driver that needed a little more pick up

Reviewed By Thomas B (FLORENCE, AL) Reviewed for a 2011 GMC Sierra —11/27/2014 4:28 PM

I got this to add that little extra to my truck, running the premium tune (92octane) I can tell a quicker pick up on acceleration. Fuel miles you won't really tell a huge differance until you run it on the highway, there you can tell both increased HP when passing and better Econ in the higher speeds. Overall happy.

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