New ZTW BEAST 1/5th scale setup

Introducing the ZTW Beast series Motor, ESC, and program card. This 1/5th scale setup can handle anywhere between 2s-14s! Get them now while supplies last!

ESC Link
https://www.offshoreelectrics.com/pr...-beast-5300041

Motor Link
https://www.offshoreelectrics.com/pr...ast-1510044102

Program card Link
https://www.offshoreelectrics.com/pr...east-180000010

I see they have a fan as they were designed for land use but would one need to add some sort of water cooling as well? If so, how easy/difficult would that be?