No point trying. It's sort of like trading a turd for a bigger turd.
Rear brake upgrades are usually a big waste of time unless you have UBER brakes on the front. The front brakes do about 80% of the work, so that's where you should concentrate your efforts.
i will make a big note on that. just wanted to see how big of a job it was. if it is hard i wont bother but if it is easy i think i will try, cause i want to get the DBA rotors and new pads upfront so was thinkin to do something simple with the rears as well.