Industry's only Infused Ceramic Aluminum direct replacement exhaust products. This product is not only coated on the outside surface but on all inner surfaces including the water jacket. For late model inboard/outboards. Replaces Mercruiser # 44354, 807914 and 807988. Includes mounting kit with gaskets and fasteners. Technical Information.... Product Diagram....

NOTE:  THESE ALUMINUM RISERS SHOULD ONLY BE USED WITH OTHER ALUMINUM MANIFOLDS / SPACERS.  DO NOT USE WITH CAST IRON OR STAINLESS STEEL COMPONENTS AS THIS WILL VOID ALL ASSOCIATED WARRANTY.

Save $$$ when you purchase this part as part of a kit.