- 3710-B 136th Street NE, Marysville, WA 98271
National Marine Exhaust manufactures a wide variety of marine exhaust products which are available for all marine engines wet or dry, turbocharged, T.A., T.I., or naturally aspirated. Our exhaust systems are made from corrosion resistant alloys and tested for marine exhaust applications. Specializing in stainless steel custom exhaust systems for all sizes of engines and vessels. Parts include: Water jacketed elbows, risers and riser cans, wet or dry marine mufflers, collectors, bellows, complete exhaust systems. National Marine Exhaust services the entire exhaust system, from turbo to transom. Have questions about risers or riser cans, wet or dry marine mufflers, collectors, or bellows? Contact us.