OEM Indmar one piece exhaust manifold used on Vortec 5.7L Monsoon & 6.2L Hammerhead marine engines. ETX Starboard Aluminum Exhaust Manifold | Indmar 531300E Indmar ETX starboard side aluminum one piece exhaust manifold and riser For Indmar Vortec 5.7L Monsoon and 6.2L Hammerhead engines No gaskets available - Indmar suggests RTF silicone for manifold to cylinder head sealant Does not include fittings or decals Painted black