Nowadays, the individualized modification is popular, and the young car owners will follow the wind. The spoiler controls the airflow of the two wings of the car. For example, add a spoiler that is only used on racing cars. Experts said that the installation of the spoiler has very high requirements on the structure of the car and the material of the spoiler itself. Therefore, the owner of the pursuit of personality is best not to add a spoiler to the car. Improper installation can only make the car look particularly "eye-catching" and useless. In addition, it greatly increases the drag coefficient of the car, improves the actual fuel consumption of the vehicle, and the higher the speed, the more fuel consumption increases.