The use of asphalt-modified RC cars enhances performance in modified asphalt or bitumen applications by improving traction, stability, and durability. The modified asphalt provides better grip on the surface, allowing for higher speeds and improved handling. Additionally, the flexibility of the asphalt material helps absorb shocks and vibrations, resulting in smoother operation. This combination leads to more efficient testing and development of asphalt mixtures, ultimately contributing to better performance in real-world applications.