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GMC Flowmaster Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Exhaust Systems Reviews


Easy of install

Reviewed By William M (Houston, TX) Reviewed for a 2014 GMC Sierra —8/19/2015 7:04 AM

Took about an hour and half. Had a little trouble getting the left tail pipe to algin but got it finally. Great product.

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Flowmaster Super 10 Series Mufflers Reviews


Best $140 I ever spent

Reviewed By Bryce Z (College Place, WA) Reviewed for a 1979 GMC C/K 2500 —8/13/2015 8:32 PM

Everyone thought it be loud and obnoxious so they were trying to convince me to just settle for glasspaks.... And am I glad I didn't... This thing is MEAN and very aggressive since I got two coming out, dumped at the axle complimented with headers... I recommend these mufflers to everyone!

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Flowmaster Super 50 Series SUV Mufflers Reviews


just right

Reviewed By Tim R (RADNOR, OH) Reviewed for a 2015 GMC Sierra —6/30/2015 5:52 AM

the 50 muffler is the right one for me and my sierra. it is just loud enough to let you know there is power under the hood, but it will not vibrate inside. unless you punch it, you would not notice it much. you can tell in normal driving it has more torque and horsepower.

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