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Top Speed: Quad Seven Marine 557 Outboards

With over 2,200 horsepower, quad 557 outboards deliver 75-mph speed.

If you thought the triple Seven Marine 557 outboards running wide open were too much, just click away from the page. However, if you thought that 1,671 horsepower was still not quite enough, then this amazing video of 2,228 horsepower screaming across the water is perfect for you! It features multiple angles of an Intrepid 475 Panacea equipped with quad Seven Marine 557s as it undergoes sea-trial testing. Maybe next we’ll get triple or quad Seven Marine 627s?

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