​Are you tired of replacing your stock cast-iron risers?

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High engine temperatures causing undo wear and shorter engine life?

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Fed up with the high prices of inferior stock exhaust parts?

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National Marine Exhaust manufactures a wide variety of marine exhaust products which are available for shipment anywhere in the United States and to countries around the world. For all marine engines wet or dry, turbocharged, T.A., T.I., or naturally aspirated.

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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:

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• Water jacketed elbows

• Risers and riser cans

• Wet or dry marine mufflers

• Collectors

• Bellows

• Complete exhaust systems

• Insulation Blankets (we make here on site)

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For Manufacturers like:

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• Perkins

• Cummins

• Hino

• Caterpillar

• Lehman

• GMC

• Lugger

• Volvo

• Detroit Diesel

• Yanmar

• John Deere and many more…