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no muffler

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  #1  
Old 08-12-2003, 04:07 PM
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Default no muffler
I was wondering if u can take the muffler off a 4 stroke engin. Or will that wreck the motor?
 
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Old 08-12-2003, 04:18 PM
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Default no muffler
sure you can, but what's the point..you'll probably just end up losing power...
 
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Old 08-12-2003, 10:30 PM
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Default no muffler
it sounds better at least it did for my bayou
 
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Old 08-12-2003, 10:39 PM
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Default no muffler
i wouldnt might make engine hotter
 
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Old 08-12-2003, 11:31 PM
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Default no muffler
i though that no muffler burned up valves? I think you would have to make some drastic jetting changes,
 
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  #6  
Old 08-14-2003, 12:07 AM
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Default no muffler
get some earplugs first buddy[img]i/expressions/face-icon-small-happy.gif[/img]
 
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  #7  
Old 08-16-2003, 01:05 AM
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Default no muffler
Buddy of mine has a old moto 4 350 that has no muffler,still going strong,sounds sweet!
 
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Old 08-16-2003, 08:57 PM
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Default no muffler
My moto-4 has a muffler ''shell'' but someone took out all the innards.
 
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Old 08-17-2003, 01:08 AM
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Default no muffler
Originally posted by: yellowexracer
i though that no muffler burned up valves? I think you would have to make some drastic jetting changes,
It depends on your jetting and the cam timing.

I'd be more worried about ambient air directly (unrestricted) going up the exhaust pipe and cooling the exhaust valves too quickly when the engine is turned off.
 
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