Industry's only CERAMIC COATED & EDP PLATED direct replacement exhaust products. For early model inoboard/outboards. Replaces Mercruiser #'s 98503 and 98504. Use mounting kit 8503-MK. Note that the riser showm has shorter fasteners than a 4 inch outlet riser. See the Product Diagram Link for illustration. Technical Information.... Warranty Information.... Product Diagram....

Note: This product does not come with mounting fasteners or gaskets. Picture may not be completely representative of actual product.