These pants are a women’s edition. It can be replaced at the following address.
It changes according to the skin of the character.
update\x64\dlcpacks\mpstunt\dlc.rpf\x64\models\cdimages\mpstunt_female.rpf\mp_f_freemode_01_mp_f_stunt_01
In any of the LOWR that are available at that address, or if you already know programming, add it without substituting.
Credits:
Noviacadaver