I have a flowmaster 40 on my truck and have been told its crap. so i wanted to change the setup and go true duals dumped right after the muffler. so i was wondering what muffler i should go with i was thinking glasspack, maybe cherry bomb.

 

those are just as bad for hp... go with magnaflow, I have the dido dumped magnaflow, not sure on the size, but I think its 12" body, its very loud

 

X2^^^^^^^^^

I run true duels X-Piped with 14 inch manaflows dumped and it sounds great IMO!!I guarantee you gain a bunch of low end power over the Slowmaster 40

 

what series magnaflow and is the x pipe needed

 

The x pipe is needed when using two seperate mufflers. I have a single maggie, that is DI/DO with what they call an X-Core, so I didn't need one...but it all depends on the muffler you are interested in using.
~Phil

 

The X-Pipe improves scavenging and balances out the exhaust much better!!I would say it is a must have on true duels unless you get the X-piped muffler.For X-Pipe 2 1/4 inch is what you should make the pipe all the way back!!Mufflers 2 single inlet/outlet mufflers or 1 duel inlet/outlet muffler.
I think built54 has 2 1/2 inch pipe but he has more mods than most people have.
What style muffler do you want??2 seperate or 1 single with duel inlets and outlets??

 

I have the Slow-master and I'm 13.9 slow so if you like the sound keep-em
you mite get 5 10 HP with new muffler but $$$$

 

Beat you too it Mr. Kevin lol
~Phil

 

Yes you did Bastid
So you are running the X-Piped muffler??How do you like that???

 

Yes I am running an X-Core muffler, and I love it! I am so happy with the sound, no drone, its nothing too turn heads from 2 blocks away, but it makes some serious rumble in the lower regions, and I have never not liked it, especially on the long hauls from VA-OK and NC to NY, never had a drone problem or anything, I love it! Only problem I have had with the exhaust was fixed today, after I backed into a concrete block in CHarlotte and crushed the tip agains my tire :-/ lol but that was my fault lol.
~Phil

 

Cool!!I think you are the only one on here running true duels with the X-muffler.About the same as mine,turns heads without trying I can't believe how much louder it is since i dumped it!!!
I hate driving in Charlotte!!!Where in NY do you drive to??I used to live there!I think i drive through Gastonia on my way to NY each fall.There is an exit off 77North right

 

yeah theres an exit off of 77. I go up too my old school, and have too pretty soon to finish up my enlistment paperwork. Its in Cornwall-On-Hudson (New York Military Academy). Its near Newburgh. I absolutely love the exhaust, I was thinking after that whole crushing tip thing, about getting it dumped today, but I had one tip already lol, might as well just throw a new one on the otherside lol.
~Phil

 

You could have just left the one tip and dumped the one side you bent up

 

That would definately be one of a kind lol...maybe not in the right way...but still one of a kind I'll keep that in mind, for the next time I back into a concrete block
~Phil

 

who makes the x piped muffler and what would be cheaper im guessing the x piped muffler