Will traffic police check cars with added spoilers?

[ManuelAnn]

Adding a spoiler is considered illegal modification, and traffic police will check. Below are specific details about car spoilers: Overview: A car spoiler refers to the ducktail-shaped protrusion installed at the rear end of the car's trunk lid, which is part of the car's aerodynamic kit. Its main function is to reduce the lift at the rear of the vehicle. Function: The role of a car spoiler is to create downward pressure from air resistance when the car is driving at high speeds, effectively counteracting lift and controlling airflow downforce. This reduces the drag coefficient accordingly, enhancing the car's high-speed stability. Since spoilers can reduce a car's air resistance, installing one on high-speed cars can also help save fuel to some extent. Additionally, it improves the car's appearance, serving a decorative purpose.