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What are the new 2021 modification regulations regarding car spoilers?

1 Answers

Sean

07/25/25 12:41am

2021 modification regulations regarding car spoilers: Currently, the "Motor Vehicle Inspection Work Regulations" have relaxed certain restrictions on vehicle modifications, but the policy does not support spoiler modifications. Installing a spoiler is considered altering the vehicle's appearance and is illegal, hence it is not recommended. More information about spoilers is as follows: The function of a spoiler: Car spoilers are part of aerodynamic design and are commonly seen on various racing cars. Generally, the original spoilers on civilian vehicles are not overly exaggerated, and some may even use retractable spoilers. When a car is driving at high speed, the air passing over the spoiler can increase the vehicle's downforce (typically increasing downforce by several tens of kilograms, and in some cases, even over 100 kilograms), thereby improving driving stability. Additionally, a well-designed spoiler can reduce air resistance, contributing to fuel efficiency to some extent.

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