This EBC Racing 15-21 Volkswagen GTI Mk7 Black Apollo-4 Calipers 355mm Rotors Front Big Brake Kit is an upgrade for the braking system of the 15-21 Volkswagen GTI Mk7. This kit includes 4 Black Apollo-4 calipers and 355mm rotors to increase the braking performance of the vehicle. The calipers are designed to provide a more powerful and responsive braking experience, while the rotors are designed to dissipate heat more efficiently to reduce brake fade. This kit is perfect for those looking to upgrade their brakes for improved performance and reliability.