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Replacing Marine Manifolds and Risers

Published on May 19, 2010 By Boat Advisor

Most Marine engines use a water cooled exhaust manifold. Each manifold will use a riser or elbow to connect to the exhaust discharge. Yet very few people are aware of the life expectancy and symptoms of manifold failure. This article will briefly introduce you to exhaust manifolds and risers, failure symptoms and how to extend their life expectancy.