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GMC C/K 2500 Performance Mufflers

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Latest Customer Reviews

Flowmaster 50 Series Big Block Mufflers Reviews


Installed on 2003 GMC 2500HD 6.0

Reviewed By Jonathan V (Saint Paul, MN) Reviewed for a 2003 GMC C/K 2500 —3/2/2011 6:43 AM

I installed this muffler on my truck. The only other engine mods I have on is a Spectre CAI. I highly advise getting it welded, as the clamps just couldn't secure the muffler properly. The shop charged me $150 to weld it- a ripoff, but it's worth it. Flowmaster says that the GM 6.0 is the hardest motor to quiet down, so I advise getting this muffler. According to Flowmaster, this is the biggest, quietest muffler they produce. The sound is great. Very powerful, not too loud, either. There is a noticeable drone at around 2000 rpm, but I got used to it fast. It sounds great on the inside, and even better on the outside. I did certainly feel a power boost all across the rpm band, but no improvement in mpg's. And as usual, AutoAnything was terrific.

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Magnaflow Performance Mufflers Reviews


Magnaflow Muffler

Reviewed By Marwan Y (BOGART, GA) Reviewed for a 2011 Ford F-150 —3/18/2015 4:43 AM

Great sound for those looking to unleash the beautiful sounds of an American V8. Its not to loud which is perfect for those who enjoy hearing the person next to them while driving. tone gets better as it breaks in.

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Flowmaster 50 Series HD Mufflers Reviews


Love it

Reviewed By RONAK B (PEORIA, AZ) Reviewed for a 2014 Dodge Ram —3/11/2015 7:51 AM

Great product.. Sounds great! Would recommend to anyone who has a ram with a hemi

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