I thought that was metal also/that sucks..Yes,the prices at L Dealers are insane,most times the markup is totally unjustified. However,I have found that the quality of the L factory products are out standing.I will try to buy elsewhere but most L parts you can only get from dealer...
Yes,it also pisses me off that oil changes are 500 plus dollars ,but then I knew all this and when I bought two new L...
2015 610 Huracan
2018 Huracan Performante
Do not worry about it,put it on and forget about it and enjoy your L....