Performance parts are specialized components designed to enhance a vehicle's speed, handling, and overall efficiency. These parts can include upgrades like exhaust systems, air intakes, and suspension kits, which improve engine output and driving dynamics. Many car enthusiasts choose performance parts to customize their vehicles for better performance on the road or track. Installing these parts can lead to increased horsepower, improved fuel efficiency, and a more responsive driving experience, making them popular among those who seek to optimize their automobiles.