[fang_gt86]

Originally Posted by Braces

I'll opine that regardless what the internet experts say .... it is HIS to do what he wants. If he wants them ... all the power to him. Most of the time .... people mod their cars with an idea to personalize their ride. If there's a functional use ... that's a plus.

Is it rice on a nontrack car. Maybe. Will it actually hurt mpg and acceleration on a low powered car. Most likely. Is it tacky to use 2 sided tape to place these and later .... see them flapping at speed. Sure. But it's his car."

Aerodynamic is very complex and required very fine tuning and data to make it work. Simply slap on some ebay or even named brand canards not going to do much if at all. It may even hurt the overall performance worse than a stock car. Unless you're doing it for "race inspired cosmetic enhancement" then it's a different story.