Erro meu , no site diz que pode ser instalado nas duas posições, mas "sugere" que seja virado pra traz em caso de neve extrema
In addition, the detachable Safari air ram can be rotated to any position. This means great peace of mind for those who plan to travel in cold or high altitude conditions where heavy snow falls are anticipated. By rotating the air ram to face away from the prevailing wind/direction of motion, the air ram delivers additional protection from the choking effects of snow build-up inside the air intake.