Drilled and slotted brake discs is a type of high-performance brake disc that are commonly used in racing and sports cars, as well as in high-performance street vehicles. These brake discs are designed with both drilled holes and slots on the surface of the disc to improve brake performance in a variety of conditions.

The drilled holes help to dissipate heat quickly, reducing the risk of brake fade and improving overall stopping power. This is especially important in high-speed driving conditions, where the brakes can become extremely hot and lose their effectiveness.

The slots on the surface of the brake disc help to improve braking performance in wet or slippery conditions. The slots act as channels to move water and other debris away from the braking surface, reducing the risk of hydroplaning and improving traction.

Drilled and slotted brake discs also offer a unique look, adding a sporty and aggressive aesthetic to any vehicle. However, it's important to note that these brake discs can be noisier than traditional solid brake discs, and may wear out more quickly due to their design.

Overall, if you're looking for improved braking performance and a sporty look for your vehicle, drilled and slotted brake discs are a great option to consider. Just be sure to choose a reputable manufacturer and properly maintain your brakes to ensure their longevity and performance.