Show off your muffler mods

[Dub11]

Does anyone know of anyone making replacement Stihl 084 mufflers,

I know you can get the billet fronts, and I have one but the muffler bases are impossible to find and more expensive than a rebuild saw if you find one

In another muff thread I think @mdavlee was working on something like that .

 

[mdavlee]

Does anyone know of anyone making replacement Stihl 084 mufflers,

I know you can get the billet fronts, and I have one but the muffler bases are impossible to find and more expensive than a rebuild saw if you find one

I'm hoping to make some in June if the flanges aren't too expensive to get laser cut.

 

[Brewz]

I'm hoping to make some in June if the flanges aren't too expensive to get laser cut.

Well put me down for a couple!

 

[mdavlee]

Well put me down for a couple!

Sounds good

 

[MG2186]

Here's a couple I did this weekend


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[Ronaldo]

Here's a couple I did this weekend


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Very nice! Get enough flow out of that tiny tube? [emoji12]

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[MG2186]

Very nice! Get enough flow out of that tiny tube? [emoji12]

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Thanks...... maybe on the flow....


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[twinstaged]

I'm hoping to make some in June if the flanges aren't too expensive to get laser cut.

I have a pretty reasonable laser guy in Ohio if you don't like your pricing and a good Waterjet guy for specialty stuff if you need.

 

[Homemade]

Quick question. I know there is some ratio for the exhaust port to muffler output size. I would like to open up the 036 I'm flipping for resale. Ive heard of the dry spagittie noodles trick to measure openings accurately. Is 80% smaller on the output vs input on the muffler an accurate ratio?
Am I on the right page here?


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[drf256]

Quick question. I know there is some ratio for the exhaust port to muffler output size. I would like to open up the 036 I'm flipping for resale. Ive heard of the dry spagittie noodles trick to measure openings accurately. Is 80% smaller on the output vs input on the muffler an accurate ratio?
Am I on the right page here?


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Or just use a caliper and a little math to figure out the area. Then times by .8

Gotta know your Gazinta's.

What a waste of pasta.

 

[Homemade]

Or just use a caliper and a little math to figure out the area. Then times by .8

Gotta know your Gazinta's.

What a waste of pasta.

So your are in agreement that 80% is the right ratio?


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[bikemike]

Spaghetti trick? Please fill me in

 

[drf256]

So your are in agreement that 80% is the right ratio?


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Pretty much the standard. Yes, but certainly can be less on a stock saw.

 

[Homemade]

Spaghetti trick? Please fill me in

Stick uncooked spaghetti into the muffler inlet hole. It's easier to get a size on an irregular shaped hole. The remove 20% of the noodles and grind away till the remaining noodles fit in the muffler exit hole.


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[bikemike]

Stick uncooked spaghetti into the muffler inlet hole. It's easier to get a size on an irregular shaped hole. The remove 20% of the noodles and grind away till the remaining noodles fit in the muffler exit hole.


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Ok got it

 

[big t double]

Gotta know your Gazinta's.

Ain't heard gazintas in a while...reminds me of my pops

 

[RocketRoss57]

 

[bikemike]

View attachment 69995

Looks cool. Bet it's slow lol. Got a vid?

 

[Deputyrpa]

Visually unimpressive 371 xp muffler mod. Cut and burn in one pass.

 

[Redfin]