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I just found out the exhaust mod on my Merc is a Bob's housing. I like the sound of it, but the exhaust smell is pretty offensive when towing skiiers and tubers. I didn't get the plugs when I bought the boat. Anyone have a set or know what they look like? Would expansion plugs work?

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Heres mine. Just a plug and 2 flat washers will work.plug is an 1 1/2" diameter.

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Alright cool, they are expansion plugs. I can deal with that!

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