I found a rear view of a similar series truck - see attached far below.
I think it's a vent similar in function to the VW GTI project.
Volkswagen Golf GTI W12
Volkswagen Golf GTI W12 650 volkswagen-golf-gti-w12-650-16
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George
Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft
You cannot sell aerodynamics in a can............
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