'15 Echo CS620PW Information

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Who wants to mod my mufflers for both my saws? Lol. I'm afraid to butcher them up.

Does not require any butchering(unless you have to remove the cat). You can remove the inner deflector yourself by removing 4 screws. You then measure the exhaust opening on your cylinder to the exhaust exit on your muffler. I use the 80% rule....your muffler exhaust should be 80% of your cylinder exhaust area. Some people want more. The deflectors can be bought from flea bay, so all you have is a bigger hole in the muffler and 4 small holes to mount the deflector. Remember...the saw will be louder.
 
I thought I read that you have to drill out the cat.
Corey B maybe when I'm home from the mountains next week I'll ship them to you. I want them for when I delete the BG on both saws. Want to port them someday also.
 
Even if you need to remove the cat, it can be drilled out thru existing holes in the muffler. No big deal...lock the muffler in a vice and put a 1/2" bit in a drill and go slow. It will come out in chunks. DIY and learn something. Do you plan to remove the base gaskets yourself? That's much more complicated than modding the muffs.
 
If I had the help and brains of one of you fine folks than yeah I'd give it a try. I mean I can rebuild a car motor myself sure these cant be all that hard :crazy:
It is really easy and once you start you will be like that is nothing. Just make sure you get all the metal shavings rinsed out. Submergingit in a bucket of water works fine and air gun on the compressor. Take some photos and ask questions someone will help point out how to do it.
 
Where is @no show? Haven't heard from him in awhile.. when I get on a computer ill try and find the muffler mod photos or take some more for yoy...
 
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this is what i did with the 600p that i had.
3/4in pipe ,made a plate and blocked off oem port.
I gutted it as much as I could thru top hole.
Doin it over I would go 1 in pipe,used a hole saw and brazed in pipe then repaint with wood stove paint.
Really liked the saw,had Mweba port it,then traded for a Dolly 7900.
 
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this is what i did with the 600p that i had.
3/4in pipe ,made a plate and blocked off oem port.
I gutted it as much as I could thru top hole.
Doin it over I would go 1 in pipe,used a hole saw and brazed in pipe then repaint with wood stove paint.
Really liked the saw,had Mweba port it,then traded for a Dolly 7900.


NICE !!!!
 

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