Which car accessories do you think are worth investing in to improve vehicle performance and safety?

Brake system upgrade: Upgrading brake discs, brake pads, and brake fluid can provide stronger braking force and faster brake response time, thereby improving braking performance and safety.
Tire upgrade: Choosing high-performance tires can provide better grip, handling, and stability, thereby improving driving safety and vehicle performance.
Suspension system improvement: By upgrading shock absorbers, springs, and stabilizer bars, you can improve the vehicle's suspension performance and handling performance, increase stability and comfort.
Engine tuning and supercharging system: By tuning the engine or adding a supercharging system, you can increase the engine's power output and responsiveness, and improve overall performance and acceleration capabilities.
Lighting system upgrade: Upgrading to high-brightness LED headlights, fog lights, and taillights can improve nighttime visibility and safety, while increasing other drivers' attention to you.