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Thru-Hull Exhaust Fittings With Flaps

$44.99 - $94.99
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ItemRatingColorSizePriceQty
83127
Black3" O.D.$49.99
In Stock
83128
White2" O.D.$44.99
Ships within 7 - 10 days
83131
Black4" O.D.$79.99
Ships within 7 - 10 days
83135
White5" O.D.$94.99
Ships within 7 - 10 days
83136
Black5" O.D.$94.99
Ships within 7 - 10 days
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Product Summary 

Designed to prevent back flow to the exhaust system or manifold when stopped, moving slowly, or backing down.