"Those are not antennas; they are basically for looks on this car. They are called roof fins. The theory with these is to direct airflow to make the car have a lower coefficient of drag. Somebody thinks he has a race car."
I researched it, and he is right! You can buy lots of them online. End of the mystery.
“Advice is what we ask for when we already know the answer but wish we didn't.”
~ Erica Jong