This video shows you probably the best Dualshock 4 mod ever. this mod fixes the annoying issues with the stock thumbsticks by replacing it with the amazing Xbox One thumbsticks. This removes the biggest problem with the Dualshock 4 that of which the rubber piles off very easily
What you need:
-Xbox one thumbsticks: http://pages.ebay.com/link/...
and be willing to open up your ds4 (Obviously)