Industry's only Aluminum CERAMIC COATED & EDP PLATED direct replacement exhaust products. 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.