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Old 07-20-2011 | 02:05 PM
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jedijody
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Default RE: DLE 20 better exaust
The muffler damper will decrease the sound level about 5 db points at 10 ft., my tests showed 94 db with it installed and 99 db without, using a SY 17x8N prop. Down side was a 450 RPM drop at WOT.
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