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GMC Sierra Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Super 44 Series Mufflers Reviews


What Did You Say?!

Reviewed By Joseph N (CLINTON, ME) Reviewed for a 2011 GMC Sierra —9/21/2016 8:13 PM

My ears are bleeding.... I love it. For real though, it's a little louder in the cab than I wanted, but I'm glad I didn't go with the Super 10. Good price, gotta love AutoAnything. Had it welded, only way you should do it really, and appearance I could care less about because no one is going to be looker underneath my truck.

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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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