Mounting a Polaris-type body on top of two jet skis seems a bit like the answer to a question nobody asked but, as it turns out, doing so actually seems like a lot of fun. Which is why Shadow Six ...

It all started after Ryan fell in love with the Polaris RZR UTV and the Yamaha WaveRunner jet ski. While normal people would just be thankful for both experiences, Ryan decided to merge the two ...

Inside these two hulls sit two 1.8-liter supercharged Yamaha GP1800R SVHO jet-ski engines, putting out 250 horsepower (186.5 kW) apiece.