Sadly, the Stratos was not up to the challenge and following the death of Parkes in the August of '76, the collaboration between Facetti and Lancia ended, along with the Silhouette program.
Desafortunadamente, os Stratos non estaban á altura do desafío e logo da morte de Parkes en agosto do 76, finalizou a colaboración entre Facetti e Lancia, xunto co programa Silhouette.