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GMC Flowmaster Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Exhaust Systems Reviews


2014 GMC Sierra sle crew cab short bed

Reviewed By Brian M (COOS BAY, OR) Reviewed for a 2014 GMC Sierra —6/20/2017 8:59 PM

Nice easy install, wish it would have come with a new clamp to the cat, cause the hardware on the orginal was a little rusty

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Flowmaster Direct-fit Catalytic Converters - 50-State Legal Reviews


Passing smog

Reviewed By Martin P (GALT, CA) Reviewed for a 1995 GMC Sierra —6/12/2017 3:31 AM

Sweetness

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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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