Replacing a 2-pin hardwire with an IEC terminal

Hello!! What if a particular component system has a 2-pin power wire permanently installed? Would that regular cheap stock wire HAVE to be used without any choice whatsoever? If not, then my question is: Would you have ANY information whatsoever on how it could be possible to literally remove the whole main power wire assembly so that an IEC assembly could be installed instead? Would you possibly be aware of some website or whatever that would have instructions on how to REDO this in order for it to be possible to use IEC power cables? --Thank you SO much for your time!!! --I will eagerly await your response! --Gabe