It also fits of Fenryr version, just edit ext_config.ini
[MODEL_REPLACEMENT_...]
FILE= fn_hungaroring.kn5
HIDE= A_NEW.003, B.001, B.005, C.004, D.004, F.004, G.004, H.004, I.004, J.001, J.004, K.004, L.004, treeline_01, treeline_02, newwall.002, newwall2.002
[TREES]
LIST_0 =trees.txt