Choosing and Installing a 3 Inch Marine Exhaust Hose

If you've started smelling a bit of raw diesel or gas fumes while cruising, your 3 inch marine exhaust hose is probably the first thing you should inspect. It's one of those parts that most boat owners don't think about until it starts failing, but when it does, it's not just a nuisance—it's a safety hazard. Exhaust leaks in a confined engine room can lead to carbon monoxide buildup or even a flooded bilge if the hose completely lets go while the engine is pumping cooling water through it. ...

May 11, 2026 · 7 min · Foss Yoana