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Old 05-13-2014, 09:11 PM   #262 (permalink)
PeterS
Master EcoModder
 
Join Date: Aug 2011
Location: East coast of Australia
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Yella Peril - '80 Mercedes 240D sedan
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Short of complete enclosure I think a fairing section directly behind your helmet would help a lot, it appears to be turbulence around the helmet that is a primary cause of helmet noise.
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