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GMC Sierra Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Super 10 Series Mufflers Reviews


Awesome!!

Reviewed By Jonah B (Tryon, OK) Reviewed for a 1991 GMC Sierra —1/20/2016 8:30 PM

It's soooo loud it vibrates my butt hole!!

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Magnaflow Performance Mufflers Reviews


Very good product

Reviewed By dalton w (COAL TOWNSHIP, PA) Reviewed for a 2013 GMC Sierra —11/4/2015 5:56 AM

I installed the 14" magnaflow performance muffler on my sierra. It sounds excellent, not to loud and not to quiet. Just has that perfect tone that a truck should sound like.

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Flowmaster Super 44 Series Mufflers Reviews


Love Flowmaster!!

Reviewed By Charmaine N (LOGAN, UT) Reviewed for a 2015 GMC Sierra —10/7/2015 10:51 PM

I love my Super 44 series Flowmaster muffler for my '15 GMC Sierra!! Sounds great! Awesome throaty tone! Big savings compared to else where!

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