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2007 GMC Sierra Performance Mufflers

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Latest Customer Reviews

Flowmaster 50 Series Delta Flow Mufflers Reviews


Great Muffler

Reviewed By Jeffrey H (LUVERNE, AL) Reviewed for a 2007 GMC Sierra —12/30/2012 6:18 AM

Sounds great. Nice rumble at idle and not too loud while driving. Will definitely keep buying auto anything and flowmaster products

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Flowmaster 70 Series Big Block II Mufflers Reviews


nice sound

Reviewed By brandon h (Gowrie, IA) Reviewed for a 2007 GMC Sierra —8/28/2010 10:48 AM

Sounds good on 07 sierra. Not too loud just enough to know its not stock.

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MBRP Universal Mufflers Reviews


MBRP Mild Tone Muffler GMC Sierra 2010

Reviewed By Jorge S (GREAT LAKES, IL) Reviewed for a 2010 GMC Sierra —12/19/2016 8:47 PM

After tons of research on forums, auto aftermarket sites, and even calling the manufacture directly; I finally decided on the mild tone muffler (I couldn't find any reviews on this model). I have to say I am very satisfied with my decision. The sound is noticeable but not overbearing at all. Nice deep tone. Love the straight through design. I feel that it improved performance with a 3" cat back. Highly recommend.

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