[MetroMPG]

Originally Posted by jakobnev

Like the peacocks tail, they're for showing off.

I liked the peacock tail on Mercedes' Cd 0.19 Concept IAA from 2015:



Now that's a peacock tail! Functional, too!

(OK, the above image is somewhat ... ~150% ... exaggerated. See thread for more info: 0.19 CD Mercedes 2015 Concept IAA -- tons of active aerodynamics )