Flowmaster question

[sirhuntalot1]

2003 2500hd had 2 Flowmasters on it when i got. Like the sound of the mufflers but at like 2300 -2700 rpms the cab noise is unbearable on the hwy. They ran the tailpipes straight out the back. I dont know what series these mufflers are, but is there anyway to quiet them down ?????

[99Silver6.0]

2003 2500hd had 2 Flowmasters on it when i got.  Like the sound of the mufflers but at like 2300 -2700 rpms the cab noise is unbearable on the hwy.  They ran the tailpipes straight out the back.  I dont know what series these mufflers are, but is there anyway to quiet them down ?????

 

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You can put a Dynomax bullet somewhere back up the line to serve as a resonator. Just an option. Or you can ditch the Flows altogether.

 

Magnaflow

[mcreyaufmiller]

Sounds like you have the 40 series. the only way to quiet the truck down is to change the mufflers. I would suggest the 50 series, a little quieter. Also you probably have a 1 to 2, which means you have 1 muffler not two. Most of the time the muffler shops thak the easy way and put on the unit that has 1 input and 2 outputs.

[sirhuntalot1]

Sounds like you have the 40 series.  the only way to quiet the truck down is to change the mufflers.  I would suggest the 50 series, a little quieter.  Also you probably have a 1 to 2, which means you have 1 muffler not two.  Most of the time the muffler shops thak the easy way and put on the unit that has 1 input and 2 outputs.

 

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It has (2) flowmasters on it now how much to change to magna flow and can it be done without having to weld

[mcreyaufmiller]

Chances are, no. The Flowmasters will have to be cut off and new mufflers welded on in their place. Must be a nice system to have true duals!

[sirhuntalot1]

system was in place when i bought the truck feb 1st heard it would cost 300 for this system

[rascal]

pretty sure 6.0 in the HD have duels going into the mufflers stock then some something wierd with having 2 pipes come out into a Y for a single exhust, but one of them doesn't flow, something to do with with resonatance. (SPELLING?). so it's probably 2 flowmasters.