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GMC Sierra Flowmaster Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Exhaust Systems Reviews


GREAT EXHAUST but hangers did not line up

Reviewed By Jourey N (KING OF PRUSSIA, PA) Reviewed for a 2002 GMC Sierra —12/8/2017 3:21 PM

This exhaust sounds great, the cost with promotions was phenomenal, the shipping was fast, installation did not take long, and overall the experience shopping with AutoAnything.com could not have been easier. BUT for whatever reason the hangers on the exhaust did not line up and so I had to modify a bit to make it work. I even welded the extensions that came with the system onto the muffler end that plugs into the cats, in order to gain a little length. Overall great purchase!

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Flowmaster Super 10 Series Mufflers Reviews


Not too shabby

Reviewed By Zackary A (BINGHAMTON, NY) Reviewed for a 2015 GMC Sierra —4/14/2017 8:19 PM

Too quiet with just the muffler . Had to cut out the resonator. Sounds pretty throaty now probably perfect for a lot of people .

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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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