Upgrade your car's braking system with this Stoptech 126.40057SL Slotted Brake Rotor. Designed for the front left side of 06-15 Honda Civic Si, this brake disc rotor is perfect for those who want to improve their car's stopping power and add a touch of style to their vehicle. Made from high-quality materials, this brake disc rotor is built to last and withstand even the most demanding driving conditions. With its slotted design, it also provides excellent traction and stability, making it a great choice for any car enthusiast.