Vehicle upgrades refer to modifications made to improve a car's performance, appearance, or functionality. Common upgrades include enhancing the engine for better power, installing new tires for improved traction, or adding a custom exhaust system for a sportier sound. These changes can enhance driving experience and increase the vehicle's value. Upgrades can also focus on technology and comfort features. For instance, adding a GPS navigation system or upgrading the audio system can make driving more enjoyable. Additionally, installing LED headlights can improve visibility and safety. Overall, vehicle upgrades allow owners to personalize their cars to better suit their needs.