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GMC Sierra Magnaflow Exhaust, Mufflers & Tips

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Latest Customer Reviews

Magnaflow Exhaust Systems Reviews


MAGNA FLOW ROCKS SWB GMC

Reviewed By Robert e D (SHINER, TX) Reviewed for a 2008 GMC Sierra —6/26/2014 7:30 AM

I HAVE NEVER HAD A EXHAUST SYSTEM GO TOGETHER SO QUICKLY AND TROUBLE FREE, WHO EVER DID THE DESIGN KUDOS FOR MAKNG THIS GO TOGETHER SO QUICKLY I HAVE DECIDE TO PUT MAGANFLOW EXHAUST ON THE REST OF MY TRUCKS.

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Magnaflow Performance Mufflers Reviews


nice muffler

Reviewed By James N (Hinsdale, NH) Reviewed for a 2004 GMC Sierra —3/20/2013 4:07 PM

haven't used enough to know if my mileage has improved but sounds great.not at all loud when cruising but can be when you want it to be

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Magnaflow Glass Pack Mufflers Reviews


Awsome!!!!!!!

Reviewed By Matthew D (Stafford Springs, CT) Reviewed for a 2006 GMC Sierra —8/15/2012 9:16 AM

This glasspack is awsome!!!!!!!! Sounds sick on my Sierra 5.3 .I am really impressesd. Nice tone at idle, when you get into it it really sounds sweet. doesn't have that annoying drone while cruising around. I highly recommend this glasspack.

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