17393-ZW1-030 Muffler Duct - Overview. The 17393-ZW1-030 Muffler Duct is an essential component of Honda marine engine systems. It plays a critical role in guiding exhaust gases away from the muffler to ensure proper ventilation and noise reduction. Engineered for seamless integration with existing parts, it maintains optimal performance and durability of the exhaust system.. Key Features. OEM genuine Honda component designed specifically for Honda marine engines.. Functions as a conduit to direct exhaust gases away from the muffler, reducing operational noise.. Manufactured to match exact factory specifications, dimensions, and tolerances.. Ensures secure fit with related hardware and seals for leak-free performance.. Maintains the exhaust system's efficiency by providing proper ventilation.. Durable design optimized for long-term reliability and consistent marine engine performance.. Why Choose Genuine OEM. Using original Honda parts like the 17393-ZW1-030 Muffler Duct preserves the