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GMC C/K 3500 Performance Mufflers

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Latest Customer Reviews

Flowmaster 50 Series Delta Flow Mufflers Reviews


From 40s to 50s

Reviewed By THOMAS C (GARLAND, TX) Reviewed for a 1985 GMC C/K 3500 —4/4/2013 8:22 PM

One of the best purchases I have made. I went from the 40 series to the 50 series. I am not saying there is anything wrong with the 40 series, as a matter of fact I put a set of them on my 1985 GMC k3500 454 27 years ago. I just changed them out a week ago to the 50 series. Yes the 40s were on their last days, but I would say I got my monies worth. What other muffler that you know of will last 27 years. Needless to say they were a little too loud for me at this point. The 50s fit the bill for me

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Flowmaster Super 44 Series Mufflers Reviews


My new Flowmaster super 44 muffler

Reviewed By MICHAEL M (MADISON, WI) Reviewed for a 2014 GMC Sierra —12/7/2016 8:15 AM

I went online and watched a lot of videos of all kinds of different mufflers in the Flowmaster super 44 muffler give me the sun that I wanted it has very deep Bello when you take off but yet when you get to speed it mellows out this is the second Flowmaster muffler that I have phoned and I will be buying another one whenever this one goes bad already get a new vehicle

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Flowmaster 70 Series Big Block II Mufflers Reviews


Flow master 70 series

Reviewed By Jeffrey S (Warsaw, MO) Reviewed for a 2008 GMC Sierra —11/10/2016 3:22 AM

I purchased this muffler to replace a smaller flowmaster muffler that was too loud for my application. This has the performance of the flowmaster technology without all the noise.

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