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Flappers

indybleck

Contributing Member
Just exactly where are the exhaust flappers on a 1988 260 hp omc? I haven't gotten into the exhaust yet after finding out there is no thermo in the housing and just wanting to know how far from the riser should they be? Are they in the y pipe or some where between the riser and the y pipe? How do they attach? Thanks
 
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