Installation: 

1: Install this mod: 
https://www.gta5-mods.com/player/mai-shiranui-king-of-fighter 

2: Extract the "uppr_diff_001_b_pak.dds" texture 

3: Using OpenIV, add it to "MaiT.ytd" 
(N.B. You must enable Edit Mode. Also, the "MaiT.ytd" file is found in the "Kimono & Chinese Dress" folder in the Mai Shiranui .rar archive)