Echo 330 t

[griff154]

I want to do a muffler mod aka open it up. But, when removed the muffler there is some type of catalyst in there. Remove or don't mess is the questoin. Thanks for the help.

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[KenJax Tree]

Take it out.


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[dancan]

Not easy on that little muffler but hack away , I think I used a small carbide burr to gut mine out , it was a few years ago .

 

[KenJax Tree]

My 355T muffler is just hollow so i just added another port

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[griff154]

The catalyst is right by the exhaust port. Its a redish pink crap.

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[cnice_37]

It's been a while but I think I used a Unibit followed by a Dremel for cleanup. Gut that honeycomb, go nuts, and flip the EPA the bird as that saw wakes right up.

 

[jackjcc]

I heated and carefully pried 2 sides of the muffler and peeled back the crimp. Then once I side I cut the cat free with a dremel. Then just re heat and crimp.

Most people seem to cut it open or grind it out. I had practice with a 250 and I got the feel for it to so the 330T


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[griff154]

Thanks for all of the input gentlemen.

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[griff154]

Ya I said piss on it. And cut it in half I, will weld it back together. Got love my tig rig 309 wire!

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[Str8six]

I cut my 330 muffler in half, removed the catalyst and welded it back together. I then cut the muffler outlet to match the silver cover piece and eliminated the screen. I put the cover back on with no gasket and then removed the carb limiter caps with a drywall screw. Tune the saw and you have the best running most affordable top handle saw there is in my opinion.

 

[griff154]

Done..........runs better and louder!

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[fuzz1500]

When in doubt..pull it out