Is a rwd conversion on a 2011 Ford Fiesta possible, if so, what general steps would I need to take?

Is a rwd conversion on a 2011 Ford Fiesta possible, if so, what general steps would I need to take? - 1

No it isn't. It wasn't designed to hold an engine, transmission, drive shaft and rear differential.

It would take a complete re-design of the car to accomplish that, so yes, it is possible, but not worth the huge expense. Just sell it & get a rear-wheel drive V-8 Mustang