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Old 02-07-2009, 08:53 PM   #11
geno1066
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Default Re: RCC Exhaust - Is anyone running?

Where's Mike's muffler mod. located,
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Old 02-08-2009, 12:18 AM   #12
Quadmaster
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Default Re: RCC Exhaust - Is anyone running?

I cant remember,it's buried in another post.
I changed mike's just a bit.
Here ya go. With the stock muffler you remove the tube from the top of the muffler. I cut it off with a saws all and then welded a thick washer over the top and welded the hole in the washer. Mike cuts a hole in the bottom and installs a 1 1/2 inch 90 deg tube. I cut a hole in the side about 1/2 to 3/4 inch up from the bottom in the side of the can and use a 1 1/2 inch diameter straight tube about 3 inches long aimed at the back of the cart. Just under the rear axle.I cut it in the side to gain more ground clearance. I'll try and find the camera tomorrow and add some pictures.

Last edited by Quadmaster; 02-08-2009 at 12:19 AM.. Reason: add content
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Old 02-08-2009, 08:32 AM   #13
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Default Re: RCC Exhaust - Is anyone running?

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Originally Posted by geno1066 View Post
Where's Mike's muffler mod. located,
http://www.buggiesgonewild.com/gas-e...-header-2.html
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Old 02-08-2009, 08:34 AM   #14
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Default Re: RCC Exhaust - Is anyone running?

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Originally Posted by Quadmaster View Post
I cant remember,it's buried in another post.
I changed mike's just a bit.
Here ya go. With the stock muffler you remove the tube from the top of the muffler. I cut it off with a saws all and then welded a thick washer over the top and welded the hole in the washer. Mike cuts a hole in the bottom and installs a 1 1/2 inch 90 deg tube. I cut a hole in the side about 1/2 to 3/4 inch up from the bottom in the side of the can and use a 1 1/2 inch diameter straight tube about 3 inches long aimed at the back of the cart. Just under the rear axle.I cut it in the side to gain more ground clearance. I'll try and find the camera tomorrow and add some pictures.
Pics would be cool, I'd like to make a sticky post about this mod
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Old 02-08-2009, 09:11 AM   #15
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Default Re: RCC Exhaust - Is anyone running?

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Originally Posted by Subarumouse View Post
Hello,

A exhaust is a exhaust!
But it only gives better performance when its tuned on the engine.
A 11 HP engine is a whole lot of difference with a 25 ore more HP.

The only thing that this one can do is a bit more power on the lower revs.
This because of the longer pipe to the muffler.
A short pipe is good for higher revs.
The length of the pipe has to be measured out on the enginerevs.
The opening / thicknes of the pipe and the endopening of the muffler has to be at least the diameter of the exhaustport on the engine.

The mufler itself isn't that important on a fourstroke when it has at least the proper minimum diameter.
The length of the pipes is, but on your 11 hp / 4000 revs, i don't think so.
My problem with your sportsexhaust is one pipe instead of two to the muffler and (if i'm right) the not flowing entrance in and out the muffler.
O, and the two pipes from the exhaustports to the muffler have to be the same in length and not as seen on some V engines!

The pipes on my engine are specially tuned. (30HP /7800-8500 revs)


Benno
you are dead on on this.
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Old 02-08-2009, 11:01 PM   #16
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Default Re: RCC Exhaust - Is anyone running?

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Originally Posted by ruredy View Post
Pics would be cool, I'd like to make a sticky post about this mod
See what i can do jon......
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Old 02-09-2009, 10:05 PM   #17
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Default Re: RCC Exhaust - Is anyone running?

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Originally Posted by Quadmaster View Post
I cant remember,it's buried in another post.
I changed mike's just a bit.
Here ya go. With the stock muffler you remove the tube from the top of the muffler. I cut it off with a saws all and then welded a thick washer over the top and welded the hole in the washer. Mike cuts a hole in the bottom and installs a 1 1/2 inch 90 deg tube. I cut a hole in the side about 1/2 to 3/4 inch up from the bottom in the side of the can and use a 1 1/2 inch diameter straight tube about 3 inches long aimed at the back of the cart. Just under the rear axle.I cut it in the side to gain more ground clearance. I'll try and find the camera tomorrow and add some pictures.




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Old 02-09-2009, 10:11 PM   #18
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Default Re: RCC Exhaust - Is anyone running?

It should be noted that my cart is lifted. In the pictures my tail pipe is on the very bottom. This works but if you do it like i have it. When you drill through the side of the can you will cut into the bottom of the 2nd layer of the can. ( It's Double Walled ) . There is no problem in doing this.
I used a 1 3/8 dia hole saw to cut the hole in the side. That way when you put your tail pipe on it just fits over the hole and makes it easy to weld.
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Old 02-09-2009, 10:35 PM   #19
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Default Re: RCC Exhaust - Is anyone running?

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Originally Posted by mikesmotortoys View Post
I call it "Emotional Horsepower", otherwise known as noise. I personally do not feel that any aftermarket exhaust is worth the money spent. SUre someone may argue with me on this, but still - I won't sell them. We modified a few stock exhausts like I mentioned in that old thread. There 'seemed' to be a better performance gain from the modified stock exhaust. These small engines need back pressure to operate correctly.

My advice? Keep it stock, keep it quiet, save your coin on the aftermarket units!
i think u r absolutely right. i fooled around with several different configurations for my exhaust.went back to original.
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Old 02-09-2009, 11:07 PM   #20
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Default Re: RCC Exhaust - Is anyone running?

Quote:
Originally Posted by Quadmaster View Post
It should be noted that my cart is lifted. In the pictures my tail pipe is on the very bottom. This works but if you do it like i have it. When you drill through the side of the can you will cut into the bottom of the 2nd layer of the can. ( It's Double Walled ) . There is no problem in doing this.
I used a 1 3/8 dia hole saw to cut the hole in the side. That way when you put your tail pipe on it just fits over the hole and makes it easy to weld.
Thanks for the pics I really haven't messed with any type of muffler mods for YEARS Makes a nice lower tone, yet still civilized

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