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2009 GMC Sierra Gas Saving Products

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Latest Customer Reviews

Flowmaster Exhaust Systems Reviews


Went from sounding like a pussycat to an angry lion!

Reviewed By Robert V (MOUNT MORRIS, MI) Reviewed for a 2009 GMC Sierra —3/27/2018 2:26 PM

Very happy with thr outlaw system from flowmaster. Had it installed at a local muffler shop and had them weld it up to insure no exhaust leaks. Sounds killer and would recommend it to anyone looking for a good exhaust system. Its not too loud in the cab either like I thought it would be. Its perfect!

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K&N 77 Series Metal Intake Kit Reviews


Excellence

Reviewed By Jose V (LAS CRUCES, NM) Reviewed for a 2009 GMC Sierra —12/4/2017 8:55 PM

I will be totally honest, since the purchase of this K&N Intake my horsepower has gained drastically. I have spent more fuel, but ONLY due to the fact that I have not been able to get my foot off the accelerator with increase of horsepower. I felt it immediately as soon as I got on the road. Very satisfied customer, despite all the opposing criticism that nearly convinced me to not place this purchase.

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K&N 57 Series FIPK Air Intake (50-State Legal) Reviews


Sweet

Reviewed By John A (ROSEVILLE, CA) Reviewed for a 2009 GMC Sierra —7/26/2017 8:52 PM

I like it a lot

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