This mod replaces the biker jacket's logo with Watch_Dogs 2 logo on the back

Installation:
Open "PlayerPed.RPF" file in GTA IV > pc > cdimages with OpenIV (strongly recommended to use it)
Enable Edit Mode
Find "uppr_diff_016_a_uni.WTD" and replace it with the mod
Open up the game and wear the jacket in the wardrobe
or
Open up Simple Native Trainer by pressing on [F3], go to Model Spawning, then head to clothes spawning, head to upper and change via Numpad 4 or 6 to the 17th entry

Thats it! Enjoy it! :D