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2014 GMC Sierra Flowmaster Exhaust

Sierra's interior is crafted with premium materials and attention to details, and you don't have to expect anything less with the 2014 GMC Sierra Flowmaster Exhaust System. Immediately boost the performance, sound and MPG of your ride with one of these high-performance Flowmaster Exhaust Systems, designed to be an effective replacement for your standard, restrictive factory system. The Flowmaster Exhaust System for your 2014 GMC Sierra is sure to provide your vehicle with greater fuel economy and horsepower. These performance exhaust systems use mandrel-bent tubing to maximize exhaust flow and minimize restrictions. Your Sierra has always proven to be reliable on the road … it's time you returned the favor with this easy upgrade today. Check out the numerous Flowmaster Exhaust System reviews on our site and see what the buzz is all about.
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Latest Customer Reviews

Flowmaster Super 44 Series Mufflers Reviews


My new Flowmaster super 44 muffler

Reviewed By Michael M (MADISON, WI) Reviewed for a 2014 GMC Sierra —12/7/2016 8:15 AM

I went online and watched a lot of videos of all kinds of different mufflers in the Flowmaster super 44 muffler give me the sun that I wanted it has very deep Bello when you take off but yet when you get to speed it mellows out this is the second Flowmaster muffler that I have phoned and I will be buying another one whenever this one goes bad already get a new vehicle

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Flowmaster Exhaust Systems Reviews


Flowmaster outlaw syetem

Reviewed By Bruce D (CLIFTON PARK, NY) Reviewed for a 2014 GMC Sierra —10/18/2016 2:01 AM

I like the sound alot, it does wonders for my GMC. Happy to havr. Also a gas saver. I did have one of the black tip scratched when it was shipped. Called and sent a picture. It was well rapped and boxed but scratched when put in the box. Called, sent picture of it and was told another was shipped to me. Not here yet must be coming by dog sled!

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Corsa Performance Exhaust Reviews


Awesome Exhaust and Sound

Reviewed By Robert R (Fort Worth, TX) Reviewed for a 2014 GMC Sierra —8/2/2016 2:55 PM

Really happy with the CORSA. I have a 6.2L and this exhaust really wakes up the sound of the motor. The factory exhaust was asthmatic and made the engine sound small and pathetic. The CORSA gives it the baritone the V8 deserves. Other people complain about drone but I had disabled V4 through Diablo Sport inTune so I did not have drone. The only complaint I would have is the price but I am happy overall.

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