how do I put the cadet bodyworks into there game

[r28]

I have the na_mini_mk20.cfg and the na_mini_mk20_fl.cfg and the na_mini_mk14.cfg and the
na_mini_m8.cfg and the na_mini_eurostar.cfg but I don't know which one goes into side pods and frontbumpers and rear bumper pls help me put into game

[r28]

anybody knows