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2012 GMC Sierra Gas Saving Products

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Latest Customer Reviews

DiabloSport inTune i2 Tuner Reviews


i2 tuner

Reviewed By John J (LOCKPORT, IL) Reviewed for a 2012 GMC Sierra —12/5/2016 12:21 PM

This was my first time using a tuner and it was very easy to use and certainly made a difference in performance.

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Edge Evolution CTS2 Programmer Reviews


Easy to install simple to use

Reviewed By james b (Ashville, AL) Reviewed for a 2012 GMC Sierra —6/27/2016 2:49 AM

Haven't seen a major power difference but has definitely improved fuel economy. Only problem I've had with it is it has froze up on me twice.

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Extang Trifecta Folding Tonneau Cover Reviews


Just short of perfect.

Reviewed By William T (Burton, MI) Reviewed for a 2012 GMC Sierra —4/20/2016 8:23 PM

Really like Extang's Trifold series covers. Have a solid panel model and while I like the stronger panels, fit and ease of use it did let in heavy rain at the fold seams. Also felt the gasket material that sets on the bed rails could have been better. Really appreciate the light weight of the Trifecta canvas/vinyl model. Easy install and use. Felt the fit could have been a bit more generous and again rubber gaskets could be a bit thicker and a stronger, denser rubber. So far no leaks.

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