Exhaust & Mufflers

Marine Mufflers & Exhaust

Outboard motors on boats are loud—really loud. And on a lot of boats, there’s nothing protecting you from the noise. That’s only one reason why maintaining your outboard motor’s exhaust system and muffler is so important. Another is that if a marine muffler or marine muffler exhaust hose gets clogged or breaks, the motor can’t run efficiently. The engine isn’t able to breathe effectively, which means it gets bogged down, may backfire, and under some conditions may cause extensive long-term damage to the outboard. Given the often hot conditions boats are run in, these marine exhaust hoses sometimes break down, crack, and in situations where they’re in dry conditions for long periods of time, they may even crumble. Fortunately, marine exhaust hoses are relatively easy to replace. Likewise, exhaust manifold brackets, which connect the exhaust manifold—which collects the exhaust for disbursement—endures a lot of intense heat and may need replacement after some time. Each outboard make and model may have a unique exhaust system, so the lengths and sizes of tubing, as well as manifolds and other parts, may differ slightly from engine to engine. For those planning to do the work themselves, it’s important to identify the correct parts before beginning any repairs. Use our Marine Engine Parts Selector Tool to find the right engine parts for your boat.

If you are looking for more from Marine Engine Parts, please check out our pages on: Water Pumps & Cooling Systems, Boat Engine Anodes, and Boat Manifolds.

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