2″ Exhaust Thru-Hull, Black w/Flapper

A 2″ black marine exhaust thru-hull fitting with flapperbuilt to help discharge exhaust gases while reducing backflow through the fitting when the engine is not running.

Key Features

• 2″ exhaust thru-hull fitting
• Black finish
• Includes flapper valve to help reduce reverse flow through the fitting

Product Compatibility

• Marine exhaust system installation (thru-hull exhaust discharge)

Product Details

• Product title: 2″ Exhaust Thru-Hull, Black w/Flapper
• SKU/Part number: 383-1200301
• Color: Black
• Size: 2″
• Length: 4-1/2″
• Weight (variant): 454 grams

Parts Desk Insights

Best Use Case: For replacing or upgrading a thru-hull exhaust discharge fitting on a boat where a flapper style helps limit backflow when exhaust flow stops.

Common Issues: If exhaust odor or water reversion becomes noticeable, inspect the flapper action and the fittings seal at the hull. Ensure mating surfaces are clean and that any required gaskets/sealant are matched to the installation method used in your exhaust system.

Related Products & Accessories

• Browse Marine Exhaust Mufflers & Thru-Hull Parts – Shop the Exhaust Systems category for additional exhaust components and related hose/muffler parts.