I'd say it's a bit risky to add one of those into your controller, because if you got a warranty for it (IF YOU ONLY GOT IT A SHORT WHILE AGO that is) you have to hack into your controller to install the analog stick, and opening it up usually voids the warranty. Also, I've heard that the replacement analog sticks aren't exactly the best. Look in the video below
https://www.youtube.com/watch?v=o3GYtAyRCOo