Round Boat Motor Muffs

Durable Construction: Built with high-quality rubber and watertight seals, our boat motor muffs ensure reliable performance for testing, cooling, winterizing, warming, and idling your engine. Ideal for saltwater flushing and winterizing kits. Universal Fit: Designed with rotating ears and a 9 1/4" deep U-channel, these outboard motor muffs fit most outboard and inboard/outboard (I/O) engines. The large ear muffs effectively remove debris while allowing smooth water flow. Maximized Water Flow: A large-mouth intake boosts water supply for powerful engine flushing. The flexible, watertight muffs have a 3.7" diameter and bend to create a secure seal on your intakes for optimal performance. Easy to Use: Connects effortlessly to a standard garden hose with an included quick-connect male adapter and rubber washer. No tools required—compatible with marine salt flush kits and boat maintenance accessories. Why Choose Better Boat: As a family-owned American business, we are dedicated to del