The side step can reduce the airflow entering the underside of the vehicle from both sides of the vehicle. It has a certain turbulence effect, which can significantly reduce air resistance.

If the installation is very suitable, it can also reduce the reverse airflow generated during the driving of the vehicle. When driving at high speed, it is like sucking the chassis to the ground, which greatly increases the stability.

The door sill is the position directly under the door, where the shoes are easy to touch when getting on and off the car. In order to prevent scratching, it is usually covered with a plastic plate. Some high-end cars are equipped with stainless steel with lights (called LED).

Guangzhou Kaqidun Auto Accessories.,Ltd is one of the leading side step/door sill manufacturer and supplier and wholesaler and exporter and factory in China,Welcome to contact us.