Mercruiser exhaust tube *Bell housing-Outdrive

P/N 89150 OEM 78458A1 exhaust tube includes (2) clamps and clip
Works with Mercruiser R / MR / Alpha 1 (1983 - 1990), Bravo 1/2/3 (1988 - up) and Black-hawk (1994 - 1995)
Higher horsepower EFI and MPI engines can cause excessive back pressure that may build up in the exhaust system before going into the drive. This tube allowed the excess exhaust gas to dissipate before the drive
Recommended for motors with more than 300 hp
Tech support drawings
Installs easier than standard bellows with no special tools required
*Note - using the tube instead of the accordion style bellow will create more noise from the engine