ETX Starboard Aluminum Exhaust Manifold | Indmar 531300EOEM 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 !! Not Eligible For Free