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Mercruiser exhaust tube *Bell housing-Outdrive

Bell housing to outdrive exhaust tube for Mercruiser / Alpha 1

  • 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

89150 Alpha one stern drive exhaust tube

89150 Alpha one stern drive exhaust tube

P/N 89150 OEM 78458A1 Exhaust tube $48.99