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MustangMike
Joined
Jan 5, 2014
Messages
11,564
Location
Brewster, NY
Now I don't want to start WW III all over again, but I did some research into patents of mufflers for 2 cycle engines and look what I found:

"It has long been recognized that the horsepower output of a two cycle engine is substantially affected by exhaust system design. A properly designed exhaust device or system can increase the horsepower of a two cycle engine up to 35 percent over the output of the basic engine without a muffler system. The increase in performance is greater when compared with an engine having a poorly designed exhaust system. "

Again, this is not my statement, this is in the patent records for a 2 cycle muffler. You can believe it or not, I don't really care.
 
Hedgerow

Hedgerow

HACK
Joined
Dec 20, 2010
Messages
15,356
Location
Carthage, MO
Now I don't want to start WW III all over again, but I did some research into patents of mufflers for 2 cycle engines and look what I found:

"It has long been recognized that the horsepower output of a two cycle engine is substantially affected by exhaust system design. A properly designed exhaust device or system can increase the horsepower of a two cycle engine up to 35 percent over the output of the basic engine without a muffler system. The increase in performance is greater when compared with an engine having a poorly designed exhaust system. "

Again, this is not my statement, this is in the patent records for a 2 cycle muffler. You can believe it or not, I don't really care.
Yes.. A tuned pipe..... AKA, A crude super charging system for a 2 stroke...
Not a chainsaw muffler... AKA "Can"

Edit:
Neil is faster than me...
 
Trx250r180

Trx250r180

Saw polisher
Joined
Nov 7, 2010
Messages
8,249
Location
us
003-20.jpg
 

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