Husqvarna 455 Rancher muffler mod ideas needed.

[WESCOMAN]

Husqvarna 455 Rancher muffler mod ideas needed.

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Hi guys,
I need some ideas on how to modify my muffler. Its a new saw but up at 7500 feet I know it could use a little help. Anyone doing or done a muffler mod? Anyone selling a better muffler? Thanks.

 

[fishhuntcutwood]

Take if off and drill a couple of holes in the front of it.

Do a search on here for "muffler mod" and you'll get a bunch of reading.

Jeff

 

[WESCOMAN]

Thanks.

 

[scottr]

IPL Pictoral

WESCOMAN , the IPL pictoral of the 455 muffler looks to have a removable front . If you can pop the front off then you can remove the baffle and open the exhaust outlet hole on top of the muffler .

 

[WESCOMAN]

Scottr,
That exhaust outlet hole sucks. I really need to open that up. As far as the baffle i will be able to open up the muffler Thursday for a looksee. If I can I will see what I can do with that. Thanks for all the help.

 

[nate cutter]

Can some one post some pics on where to remove the cover off the Husky 455R?

 

[brent denny]

I have heard (but cannot verify) that this saw has a catalytic converter.

 

[nate cutter]

where do i pry off the outer cover on the 455?

 

[scottr]

outer cover

where do i pry off the outer cover on the 455?

Nate , the IPL shows a crimped (not welded) muffler . Is the IPL incorrect ?

 

[Jim Mesthene]

I have heard (but cannot verify) that this saw has a catalytic converter.

My new Husqvarna manual says that if it has a green gas cap, it has a cat. I can't verify that because I have no cat. and no green cap.

 

[nate cutter]

crimped i will try and post a pictures tomarrow

 

[scottr]

455 Ipl

Nate this is what the Husqvarna website shows . http://weborder.husqvarna.com/order_static/doc/usa/2005/I05000/I0501036.pdf

 

[nate cutter]

Thanks Scott,
I still don’t think the muffler comes apart. The exhaust exits the motor into holes through the baffle that are around the three tubes that allow the screws go through to the exhaust then out the top of the second chamber next through a mesh screen that is held on by a tack wielded holder for the screen.

So then, where should the muffler be opened up?

At least there is no cat; no green fuel cap either though.

Any input would be welcomed.

 

[rmihalek]

There's a new sponsor on Arborist site named Rich Hoffman. I've seen pictures of his work and have met him in person. He's a stand up guy that does really nice work. Perhaps you could contact Rich to see if he'll be able to do a muffler mod for you. Search for his posts to find pictures.

I'll be sending Rich some mufflers after BostonBull's get together this Saturday in Essex Massachusetts.

 

[scottr]

apart

Thanks Scott,
I still don’t think the muffler comes apart. The exhaust exits the motor into holes through the baffle that are around the three tubes that allow the screws go through to the exhaust then out the top of the second chamber next through a mesh screen that is held on by a tack wielded holder for the screen.

So then, where should the muffler be opened up?

At least there is no cat; no green fuel cap either though.

Any input would be welcomed.

Nate , from the picture in the IPL it looks like the three tubes would be resistance or spot welded to the inside of the back of the muffler , then the internal parts would be installed , then the front cover put on and lastly the tubes would be crimped (outer edges rolled over) to hold it together . If you could uncrimp or grind off the rolled edge it looks like it would come apart .