The art of speed is a celebration of the most beautiful elements ever seen on performance cars the first in this series features the ducktail spoiler found on the 1973 porsche 911 27 carrera rs this is original art inspired by porsche it is unofficial and in no way associated with porsche porsche and 911 and related marks are registered trademarks of dr ing hcf porsche ag t shirt design reads 1 art of speed porsche 911 carrera 27 rs ducktail evoour crew neck short sleeved mens