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2014 GMC Sierra Gas Saving Products

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Latest Customer Reviews

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Sounds Grrrrreat!

Reviewed By Daniel V (Eagle, CO) Reviewed for a 2014 GMC Sierra —2/28/2015 8:13 AM

easy to install, no mods needed. Makes the truck sound nice when i hit the gas! (may defeat the purpose of gas saving....lol)

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2014 GMC Sierra 4x4 CrewCab

Reviewed By Jeff Z (Austin, TX) Reviewed for a 2014 GMC Sierra —2/13/2015 6:20 AM

Took it to an installer due to having to cut out old exhaust. Sounds great. Quite through the gears, nice rumble. Gets louder when the engine goes down to four cylinders. But, overall very happy with sound. I can feel the extra power when going up hills.

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2014 GMC Sierra

Reviewed By RON N (SALINAS, CA) Reviewed for a 2014 GMC Sierra —2/11/2015 1:33 PM

Runs smoother when shifting thru the gears, can tell the engine is breathing easier. Haven't checked the gas milage yet, but I assume it will be a little better because it's getting more air.

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