Nice condition set of Mercruiser mufflers part number 42-17705A3. This set includes (2) 42-17705 muffler housings and (2) 42-17706 end caps. These mufflers fit 4" exhaust hose. They are hard anodized aluminum. These are used, but in great condition with no corrosion. Over $600.00 to buy from Mercury - Check out our great price!
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