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ABYC P-1-2025
Installation of Exhaust Systems for Propulsion and Auxiliary Engines
This standard addresses the design and installation of exhaust systems on boats equipped with internal combustion inboard or sterndrive engines, or permanently installed auxiliary engines, from the exhaust outlet of the engine or the turbocharger, if used, through the terminus where the exhaust gases are discharged.
American Boat & Yacht Council [abyc]