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  1. M

    3 inch exhaust big enough?

    I have a wellcraft boat with a 5.7 mercruiser and am wanting to put exhaust on it. Will 3 inch pipe be good or do i need 4 inch
  2. M

    y pipe removal

    i have a 1989 Wellcraft 233 eclipce with a 5.7 mercruiser and am wanting to make the exhuast come out under the swim platform. To do so I need to remove the y pipe to fit the new pipe. Does anyone know if i need a spacer to do this and where to get one. Any help would be great. Thanks for...
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