06184-ZW4-000 Exhaust Pipe Kit - Overview. The 06184-ZW4-000 Exhaust Pipe Kit is an essential component for the Honda marine engine exhaust system. This replacement kit supports the exhaust system, ensuring proper venting of combustion byproducts from the engine. Designed specifically for Honda 40-50 HP outboard engines including models BF40D and BF50D, this kit is built to maintain the integrity and performance of your marine propulsion system. It seamlessly integrates with existing engine hard