Ducktail spoilers are cool
![](http://cdn.barrett-jackson.com/staging/carlist/items/Fullsize/Cars/194144/194144_Rear_3-4_Web.jpg)
I used to like watching the exhaust curl behind Trans-Ams and Camaros while waiting for the schoolbus.
Those Chaparrel 2J "sucker" cars used a snowmobile engine to run the fans. They sounded pretty strange.
Can't forget the biplane wings on the XR4Ti and SVO Mustang!