Sutphen Powerboats is a third generation custom boat manufacturer, High quality boats with bold, classic styling utilizing high tech materials and innovations of today. Whether for race or pleasure, Sutphen Boats deliver consistent quality and exceptional performance. . This boat being offered for sale is the original Sutphen tsunami. restored and renamed back in around 2004. The tsunami won the 1993 championship. It is a race-winning boat converted to pleasure. This boat is fully capable of 100mph.