OMC Upper Exhaust Hose | BRP 0912328OE BRP rubber hose connects exhaust manifold outlet to upper exhaust pipe on various OMC 2.3L and 4.3L marine engines. Fits OMC 2.3L marine engines from 1987-88 Fits OMC 4.3L marine engines from 1987-1990 3 ½ in inlet. 4 ½ in. outlet 4 in. long Original OMC BRP