s_m_y_hwaycop_01.ydd, s_m_y_hwaycop_01.yft, s_m_y_hwaycop_01.ymt, and s_m_y_hwaycop_01.ytd go here:
Grand Theft Auto V\update\x64\dlcpacks\patchday3ng\dlc.rpf\x64\models\cdimages\patchday3ng.rpf

s_m_y_hwaycop_01_p.ydd and s_m_y_hwaycop_01_p.ytd go here:
Grand Theft Auto V\x64e.rpf\models\cdimages\pedprops.rpf