BACKUP FIRST!!!!
How to install:
1 - go to: "steam\steamapps\common\F1 2017\asset_groups\animation_package\scenes\incardriver\2017"
2 - open: "incardriver.erp"
3 - scroll down to: "com_01_helmet_d.tga" and click it
4 - click on: "Textures -> Import" and select "RedBullCarrerHelmet.d.tga"
5 - to save mipmaps go to: "steam\steamapps\common\F1 2017\character_package\drivers\male\unbranded_com_01\textures" and save it
6 - do the same with "RedBullCarrerHelmet.s.tga"
7 - click on "Save" and save the "incardriver.erp"
8 - ENJOY!