I don't understand why people feelt the need to put a spoiler on the rear of the car. Isn't it only cosmetic if it's in the back. If people truly wanted the spoiler to serve its intended purpose, wouldn't they place it in the front? It is only cosmetic if it is non-functional. The reason for the spoiler on the rear is to increase rear downforce and keep the car from spinning out. Front downforce allows the car to turn, while rear downforce keeps the car planted. It is a delicate balance.