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GMC Magnaflow Exhaust, Mufflers & Tips

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Latest Customer Reviews

Magnaflow Exhaust Systems Reviews

5.3L single side outlet

Reviewed By Adam M (COLLIERVILLE, TN) Reviewed for a 2014 GMC Sierra —11/12/2015 4:47 AM

overall quality of the system is very good and it was very easy to install. I did the whole project, with the truck on the ground, in less than 45 minutes. The system is a bit overpriced but you are also paying fir the name. I am rather surprised at how quiet this system is on start up and at idle. it does have more bark under load and at higher RPM, but still a bit quiet.

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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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Magnaflow Catalytic Converters - 49 State Legal Reviews


Reviewed By Paul V (Green Bay, WI) Reviewed for a 2003 GMC Sierra —6/4/2015 6:02 AM

I bought the: Magnaflow Catalytic Converters - 49 State Legal Universal Fit Part #: 99209HM Had them installed for $150. They replaced the original ones on the truck with a stock exhaust (6.0 GMC). They seem to make the exhaust sound a little deeper in tone, which I like.

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