Mercruiser 3 in. Exhaust Riser | Barr Marine MC-20-76771 Direct replacement exhaust elbow fits many Mercruiser engines with log style exhaust manifolds. Barr Mercruiser inboard exhaust riser Fits Mercruiser 198, 228, 255, 260, 898, 188, 215, 225, 233, 255, and 888 model marine engines with log style exhaust manifolds For use with 3 in. ID marine exhaust hose 90 degree down angle Includes plugs, gasket, and mounting hardware Heavy duty cast iron Painted black Replaces Barr MC20-76771 Replaces Mercruiser 76771A2, 76771A3, 53779A1, 53779A2, 60427A2