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2012 GMC Sierra Gas Saving Products

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Latest Customer Reviews

K&N 63 Series AirCharger High-Flow Intake Kit Reviews


love this product

Reviewed By Steve B (Frankfort, IL) Reviewed for a 2012 GMC Sierra —9/24/2014 2:56 PM

I just love it installation was a pice of cake it also makes the duel exhust sound grate

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K&N 77 Series Metal Intake Kit Reviews


Top notch!

Reviewed By Chad M (AMELIA, OH) Reviewed for a 2012 GMC Sierra —9/17/2014 9:17 PM

Its the bee's knee's. Every car should have one! Its a scientific fact!

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Hypertech Max Energy Programmer Reviews


perfect

Reviewed By David R (Troy, NH) Reviewed for a 2012 GMC Sierra —4/20/2014 3:12 AM

Tire correction took 2 tries to get it right but fuel economy and shift firmness is great. I have 285/70/17 which is equivalent to a 33x11.50 and fuel mpg is a little better than stock tires but 3 mpg better than last year with these tires with out programmer. Very happy and very easy to install.

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