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GMC Sierra Exhaust, Mufflers & Tips

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Latest Customer Reviews

Flowmaster Super 10 Series Mufflers Reviews


flowmaster 10 review

Reviewed By STEVE C (Ruston, LA) Reviewed for a 2013 GMC Sierra —10/28/2014 7:00 AM

FLOWMASTER 10 MUFFLERS SOUND GREAT AND INSTALL EASY, AND A GREAT PRICE.

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Magnaflow Performance Mufflers Reviews


Great tone

Reviewed By Mark D (Dixon, IL) Reviewed for a 2013 GMC Sierra —1/20/2014 10:25 AM

Welded in place of original muffler on 2012 silverado; perfect tone.

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Flowmaster Super 40 Series Mufflers Reviews


Great sound and gas mileage

Reviewed By Andrew V (EAST WINDSOR, CT) Reviewed for a 2013 GMC Sierra —10/11/2013 8:04 AM

Shipped very fast i literally got an email saying it was shipped and a txtfrom my wife that it was delivered at nearly the same time. Noticeable better gas mileage i had the same muffler on my last gmc truck and will continue to use super 40 mufflers

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