Doesn't work for me, reverts back to old self the moment you exit your ship
Answer: found a solution, it only happens if you repair him fully without ever leaving the ship with HK.
Hey mister, I tried to add more apparent muscles to her texture: https://www.file.io/download/iUVwzE8ML7f5
if you're interested(but the file doesn't work), please contact me. I also want no credit on this.