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Our Newsletter

About Metcalf / MMX


MMX Will Custom Fabricate any Exhaust System or Exhaust Component from Samples or Drawings. We use 3D CAD for design and modeling our components and systems.  For re-powers or new construction, we are available for travel and consultation. Our stainless steel risers with hard coat insulation are designed and manufactured with quality, reliability and accessibility to engine in mind.

All of MMX metal exhaust components are built with 316L Stainless Steel, Marine Grade Aluminum, Fiberglass and High Grade Marine Alloys.

You can depend on Metcalf Marine Exhaust for the Highest Quality Exhaust Components and Insulation Products Available. We use only the finest materials available to assure a first class product for our valued customers, in-process and final quality inspections are performed on each and every order.

With over 20 years in the Marine Exhaust Industry, our elite team has pooled their expertise and the results are reflected in our wide array of products and services. And we don’t stop there! We are committed to providing the fastest turn- around possible without compromising quality.