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GMC Suburban Performance Mufflers

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Latest Customer Reviews

Flowmaster Super 50 Series SUV Mufflers Reviews


Cabin Sound

Reviewed By Glenn S (Waupaca, WI) Reviewed for a 2015 GMC Acadia —5/19/2016 8:20 AM

I like my Flowmaster 50 series muffler but i wish I would have gotten a 70 series Flowmaster for less noise, I do not mind a little noise in back of the car but cabin noise bugs me, as they say after the fact. It would be nice if there was a return policy if we the customer was not happy and was going to exchange for a similar product.

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Flowmaster 40 Series Delta Flow Mufflers Reviews


Just what I expected !!!!

Reviewed By john b (potomac, IL) Reviewed for a 2005 GMC Envoy —3/31/2016 11:37 AM

It brings the 5.3 alive sound wise and gas mileage has improved alittle bit

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Magnaflow XL Turbo Mufflers Reviews


Perfect note for my 5.0L

Reviewed By Paul B (Waukesha, WI) Reviewed for a 2015 Ford F-150 —8/23/2016 7:24 PM

It's a bit noisy at first until the muffler settles in but now she hums. It's not too loud on the highway either and there is no drone effect like the Flowmaster's. 70-75 MPH seems to be the sweet spot!!! Great American made product!!

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