Gutting stock exhuast

gytrapex

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06 yamhah apex gt
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I want a good sound to my sled I was thing about takeing off my exhuast and gutting it and not paying all the money for a good sound if I do this will it get my sled at all with it mess with the efi and will the check engine light come on this is what I want to do
 
The ecm will not care what you do with the exhaust as there are no sensors in the exhaust system. The ecm only cares about the incoming airflow to the engine.
This will make it louder but may or may not hurt performance. The other manufacturers of them expensive exhaust systems have tuned them to have the needed back pressure on the system while increasing top end performance.
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I'm not worryed about performance
The ecm will not care what you do with the exhaust as there are no sensors in the exhaust system. The ecm only cares about the incoming airflow to the engine.
This will make it louder but may or may not hurt performance. The other manufacturers of them expensive exhaust systems have tuned them to have the needed back pressure on the system while increasing top end performance.
.
 
View attachment 100772 I want a good sound to my sled I was thing about takeing off my exhuast and gutting it and not paying all the money for a good sound if I do this will it get my sled at all with it mess with the efi and will the check engine light come on this is what I want to do
I have the same sled as you and I gutted it in 06 with 0 problems .Great sound but a bit louder than stock so trail police might give you a hard time because of noise.
 
F them try to get me if u can lol
I have the same sled as you and I gutted it in 06 with 0 problems .Great sound but a bit louder than stock so trail police might give you a hard time because of noise.
 
To loud with the tubes cut out, I would drill holes in the tubes.
 
I first gutted the muffler (way loud, can't hear yourself think), reinstalled the baffles and drilled a 1/2" hole through both, now a little louder than stock, sane.
 
My muffler r gutted no baffles at all its not that loude
I first gutted the muffler (way loud, can't hear yourself think), reinstalled the baffles and drilled a 1/2" hole through both, now a little louder than stock, sane.
 
F them try to get me if u can lol

I guess you wouldn't understand what it is like having a sled trail go through your neighborhood when guys run a loud can on their exhaust at 3am. There IS a reason this is policed.
 
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I first gutted the muffler (way loud, can't hear yourself think), reinstalled the baffles and drilled a 1/2" hole through both, now a little louder than stock, sane.

I never tried it with the Baffles completely removed. But I too just drilled holes through each baffle using a 3/4" hole saw bit. Sounds a bit louder on the stand, time will tell on the trail....
 
Buddy gutted his this way and ya it was loud, had a real snap to it. He got rid of it and went back to stock, he said it drove him crazy. My excell was quieter to ride then his gutted Muffler. I think drilling holes in the pipes is a better idea. But hey you say you want to do it then you say you have already done it and its not loud. You ask, people answer, you argue! So I'm at a loss!

My muffler r gutted no baffles at all its not that loude
 
Did not do it yet seeing what ppl think of it first dose any one have a video with the tubes drilled out
Buddy gutted his this way and ya it was loud, had a real snap to it. He got rid of it and went back to stock, he said it drove him crazy. My excell was quieter to ride then his gutted Muffler. I think drilling holes in the pipes is a better idea. But hey you say you want to do it then you say you have already done it and its not loud. You ask, people answer, you argue! So I'm at a loss!
 
Had a sno-stuff. It's sitting in the attic. So effing loud it gave me a headache trail riding. You want it. It's yours for $50 plus shipping...
 


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