There is the theory that facing the opening to the snorkel into the airflow gives you a ram-air effect at speed. Similar to the old ram-air hoods. Really never amounted to anything, at best whatever you pick up would not be noticeable except by computer diagnosis.
That said, if someone is now making a snorkel for the 4th gen PowerWagons I am intereted. Please get us more info OP.
That said, if someone is now making a snorkel for the 4th gen PowerWagons I am intereted. Please get us more info OP.