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Old 08-14-2010, 11:28 PM
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jburr36 jburr36 is offline
Motorized Bicycle Elite Member
Join Date: Jul 2008
Location: Idaho
Posts: 284
Default Re: Lawn Mower Mufflers...

I forgot to mention that most 2 cycle engine mufflers are designed to add a slight back pressure pulse to push as much raw fuel/air mixture back into the cylinder during the intake/exhaust cycle. A well tuned muffler for a two cycle engine not only makes it run quieter but also helps maximize the engine's performance and fuel efficiency.
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