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Gutted stock muffler
http://mudmotortalk.com/mmt_v2/viewtopic.php?f=2&t=73927		 Page 1 of 1
Author:  Pinhead pat [ Fri Jun 21, 2019 5:00 pm ]
Post subject:  Gutted stock muffler
I bought a stock stainless muffler from prodigy for $40 ($60 with shipping) with the intention of gutting it out. I found a lot of talk about gutting a stock muffler but couldnt find a lot of pictures or instruction. Here is some pictures of mine and how i did it


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Author:  Pinhead pat [ Fri Jun 21, 2019 5:01 pm ]
Post subject:  Re: Gutted stock muffler


Before the surgery


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Author:  Pinhead pat [ Fri Jun 21, 2019 5:02 pm ]
Post subject:  Re: Gutted stock muffler


After cutting open one side with cutting disk


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Author:  Pinhead pat [ Fri Jun 21, 2019 5:03 pm ]
Post subject:  Re: Gutted stock muffler


I tried breaking those 3 welds with a big punch and a hammer..it kinda worked on one of them but i punched a hole to the outside on one also


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Author:  Pinhead pat [ Fri Jun 21, 2019 5:05 pm ]
Post subject:  Gutted stock muffler
Resorted to the ole oxy acetylene torch to heat up the welds and then punch them while they were hot


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Author:  Pinhead pat [ Fri Jun 21, 2019 5:05 pm ]
Post subject:  Re: Gutted stock muffler



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Author:  Pinhead pat [ Fri Jun 21, 2019 5:07 pm ]
Post subject:  Re: Gutted stock muffler


Ended up burning 2 small holes through the muffler with the torch and punching that one hole with the punch. Getting the walls out was a huge pain in the ass but cutting them in half with the torch made it easier.


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Author:  Pinhead pat [ Fri Jun 21, 2019 5:09 pm ]
Post subject:  Re: Gutted stock muffler


Gonna weld it up this weekend. My only question is should i take out the section of the out flow too? I think it should be fine with that piece in there. Any input is appreciated


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Author:  Wchauvin [ Sat Jun 22, 2019 12:37 am ]
Post subject:  Re: Gutted stock muffler
Looks good bud. I would leave it in there unless you want it pretty damn loud
Author:  DENNYEDWARDS [ Sat Jun 22, 2019 7:04 am ]
Post subject:  Re: Gutted stock muffler
I gutted a couple also, not an easy project. My finished ones look like and sound like this. Nothing pretty about them after butchering them to get guts out.
Author:  Pinhead pat [ Sat Jun 22, 2019 6:50 pm ]
Post subject:  Re: Gutted stock muffler
Author:  lilfukr79 [ Sun Jun 23, 2019 8:24 am ]
Post subject:  Re: Gutted stock muffler
ON the ones I gutted I left the outlet pipe intact but I drilled a few bigger hole in it where those smaller holes are for a little better flow but still acted as somewhat of a baffle. Also an air chisel works Purdy well on the inside to get the guts out. I used one to cut around those 3 welds on the inside on the plate on the inside so I didn't cut through the can. then I took a big dremmel with carbide grinder bit n ground down the welds on the inside.
Author:  dead animal [ Mon Jun 24, 2019 6:54 pm ]
Post subject:  Re: Gutted stock muffler
i don't know what my local welder does. i bring him some old mufflers and a pack of froglegs and then i go pick up the gutted muffler in a couple days. lol

i hate them loud mufflers but it's cheaper than buyin a new one. i get a new one every hunting season.
Author:  Wchauvin [ Mon Jun 24, 2019 7:00 pm ]
Post subject:  Re: Gutted stock muffler
^ people don’t realize how far a good pack of frog legs goes lol
Author:  Pinhead pat [ Mon Jun 24, 2019 7:01 pm ]
Post subject:  Re: Gutted stock muffler
Author:  Pinhead pat [ Mon Jun 24, 2019 7:03 pm ]
Post subject:  Re: Gutted stock muffler
Author:  Wchauvin [ Tue Jun 25, 2019 5:26 pm ]
Post subject:  Re: Gutted stock muffler
I need to start selling frog legs lol
Author:  dead animal [ Thu Jun 27, 2019 10:17 pm ]
Post subject:  Re: Gutted stock muffler
Author:  Wchauvin [ Fri Jun 28, 2019 6:32 am ]
Post subject:  Re: Gutted stock muffler
We could do that for sure bro, I know a couple of great spots down here
Author:  Will [ Fri Jun 28, 2019 10:26 am ]
Post subject:  Re: Gutted stock muffler
Author:  Pinhead pat [ Fri Jun 28, 2019 11:05 am ]
Post subject:  Re: Gutted stock muffler
Author:  Wchauvin [ Fri Jun 28, 2019 4:19 pm ]
Post subject:  Re: Gutted stock muffler
In the state of Louisiana lol
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