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Post by alleyoop on Jul 25, 2013 19:56:25 GMT -5
 I put that up for you turkeys that cannot afford or are to cheap to buy a descent muffler.  Alleyoop |
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Post by ckizer on Aug 2, 2013 11:47:53 GMT -5
I like the innovation. It could be a lot of fun, it's similar to how I design noise suppressor for firearms. $60 for a muffle sucks, but if you just want stock replacement it's cheepest than spending 2 hours building a muffler (my time is expensive).
I actually bought a new muffler , and took the old one apart and improved on it. Then put the better old one back on. Saving the brand new for rainy day.
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Post by rockinez on Mar 11, 2014 2:29:15 GMT -5
I quit watching when he said "First I went out and bought myself a new header." That cost more than a new muffler on eBay. 'nuf said.
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Post by BadCattitude on May 2, 2014 17:00:14 GMT -5
Would be cool to have a fishtail muffler!
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Post by alleyoop on May 2, 2014 19:30:41 GMT -5
Nice looking Trike BadCat, like the blue color and nice addition of the saddle bags looking good my man.  Alleyoop |
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Post by scooter on Oct 13, 2014 19:20:08 GMT -5
I stuck an old variator in mine and crimped it shut. I have a bigger variator that would have sat against the back of the muffler and would have looked nice but I was too lazy to drill and tap it and do it right. The sound is good, but the best sound I got was from putting a drive face against the end of the pipe with the fins facing the pipe, letting air out in an annular direction. Plus it was lighter, but there would have been nothing to attach to the pipe, and I didn't feel like making anything.  |
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Post by seamus26 on Oct 14, 2014 9:19:24 GMT -5
Red Green would be so proud.
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Post by xyshannen on Oct 24, 2014 21:38:59 GMT -5
Scooter, bet you would get a deeper tone of you enlarged the exit hole. Just 1/4 inch larger would make a big difference.
As for the original xmas can idea..the heck with that. I would rather drive around with an open head vs putting a can on my exhaust.
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Post by scooter on Oct 24, 2014 22:43:18 GMT -5
Scooter, bet you would get a deeper tone of you enlarged the exit hole. Just 1/4 inch larger would make a big difference. As for the original xmas can idea..the heck with that. I would rather drive around with an open head vs putting a can on my exhaust. Absolutely. I still may use that other variator for a nicer look. I also had fun "silencing" this setup by poking the variator boss into the hole. If I had the energy, I'd set up an electro-mechanical doohickey to flip it back and forth between quiet and loud with a switch. I sometimes just don't have the energy to deal with this stuff. Ahhh, to be 20 again with all the skills I have now.  One idea I liked was to put a spring loaded cone or flap on the back so that it would be really quiet at low speed, so as not to be annoying when pulling in and out of places, but then open up for more noise and flow when you open the throttle. That would be fun to do. I ALMOST tried making an end piece for the pipe that would be flat with pie shaped cuts in it. It would be completely closed when the motor was off, but as open as needed when running. Back pressure would be adjustable via material thickness. It would look neat too. I may still do it. |
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Post by xyshannen on Oct 25, 2014 8:06:08 GMT -5
scooter Wile those are awesome ideas, I have to wonder if changing your exhaust on the fly like that wouldn't mess with how your engine runs in either direction, rich or lean. Little changes on these little engines have big effects on how the run and how they have to be tuned.
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Post by scooter on Oct 25, 2014 8:49:21 GMT -5
scooter Wile those are awesome ideas, I have to wonder if changing your exhaust on the fly like that wouldn't mess with how your engine runs in either direction, rich or lean. Little changes on these little engines have big effects on how the run and how they have to be tuned. That's a valid concern. When I took off the end of my pipe, changing from a tiny 1/2" hole to a big 4" hole, I didn't notice any difference in power or function. I figure if I ran it with the mixture set up for the big hole then it would run rich with the small hole. I think that's right. I heard richer is okay. Definitely something to consider. |
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Post by xyshannen on Oct 25, 2014 8:56:11 GMT -5
Rich is always better than lean. Lean can cause overheating, Wile too rich can cause a lil bogging on take off. I'd rather bog a lil vs overheating.
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Post by katastroff on Oct 26, 2014 5:44:19 GMT -5
Do i have to wait for xmas to get a can like that or can i use any other can?
Seriously, im gonna use your idea, thx!!!!
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Post by rockynv on Oct 27, 2014 12:06:51 GMT -5
Too rich can kill the engine too as carbon builds up on the spark plug, head of the piston, valves and in between the piston rings. Then you have sticky valves and rings with scored cylinders and misfires.
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Post by katastroff on Oct 29, 2014 20:59:47 GMT -5
Here is my first experiment with your neet trick.
I had a pipe witch was way too loud from my previous gutting, so I went out and bought some isolation and here is what I did:
Sorry for the blurry pictures.  |
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..BAD TO THE BONE..
