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1999 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


04 tacoma v6

Reviewed By Rickie D (New Iberia, LA) —1/23/2015 12:24 PM

Muffler was quality in appearence and sounds just as I thought it would not to loud but a nice throaty growl, in fact now I wish id bought the whole package for a true dual exhaust system to give it real breathing ability, my muffler tech says it cant be done on my vehicle, im sure all I need is another cat converter xpipe muffler and tail pipe and it would work, may need to run tailpipes on passenger side because of spare tire blocking pipes(no room to pass between spare and leaf springs),usay?

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Flowmaster 40 Series Delta Flow Mufflers Reviews


Good sound

Reviewed By Nathan P (LAKEVILLE, MN) Reviewed for a 2001 Ford F-150 —1/22/2015 11:16 PM

Aluminized is a little harder to weld. wish I would have gone with the straight steel but overall good sound with the 5.4l v8. Not as loud and I hoped it would be but it does have a nice deep rich tone.

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