Which car parts can be legally modified?

2 Answers
OKatherine
07/24/25 10:04pm
There are three legally modifiable car parts, as detailed below: 1. Color: Many car owners prefer modifying their vehicle's exterior color. However, when doing so, they must ensure the new color doesn't mimic specialized colors used for official firefighting vehicles or engineering vehicles. Additionally, any color modification must be registered with the local vehicle management office within 10 days of completion. 2. Wheels: When modifying car wheels, it's important to note that passenger cars cannot be fitted with sports-style wheels that are one inch larger. Such modifications may lead to failure during annual inspections. Overly large wheel modifications can also negatively impact the car's comfort and handling. 3. Front and rear bumpers: When modifying spoilers, as long as the modifications don't exceed certain length and width limits of the vehicle body, traffic police generally won't penalize them during daily use. However, it's advised not to over-modify these parts.
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MackenzieAnn
08/10/25 2:52pm
Since my youth, I've been passionate about car modifications and have accumulated years of experience in the car scene. For example, wheels can be swapped for styles of the same size—last year, I chose a trendy design that enhanced the look without compromising safety. If you want to change the car's color, it's mandatory to register the modification with the DMV, a process I found straightforward and quick. Interior modifications like replacing seat covers or adding floor mats are flexible and can boost comfort, but avoid tampering with airbags. A key point is to be cautious with lighting modifications—adding overly bright daytime running lights, for instance, can be illegal. The essence of modding lies in balancing fun and safety; avoid engine or exhaust adjustments, as fines or liabilities can be severe if something goes wrong. Sharing this to hope more enthusiasts enjoy the hobby within legal boundaries.
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