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GMC Magnaflow Exhaust, Mufflers & Tips

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Latest Customer Reviews

Magnaflow XL Turbo Mufflers Reviews


Now my truck sounds like a truck

Reviewed By Robert O (Apple Valley, CA) Reviewed for a 2014 GMC Sierra —6/9/2017 1:07 AM

The only mufflers I buy are these... Mellow at Idle but you when you cut her lose these mags sound amazing, not like those beer can mufflers from Santa Rosa Ca

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Magnaflow Exhaust Systems Reviews


Better Now

Reviewed By Philip B (COLUMBIA, TN) Reviewed for a 2017 GMC Sierra —6/1/2017 5:54 AM

The Magnaflow exits more to the side and the polished 6" tip looks much better than stock. Gets rid of the factory 3" diffuser and unattractive shroud. Lower EGT keeps the PCM from reducing power on long hills pulling 15K load.

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Magnaflow Y-Pipes Reviews


Perfection

Reviewed By Jacob S (SAINT PETERS, MO) Reviewed for a 2002 GMC Sierra —12/22/2015 4:29 AM

Exactly what I needed and looks like good quality product

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