Brembo 08-17 S5/09-16 S4 Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Slotted Type-1-Red

If you're looking to significantly improve your Audi S5 or S4's braking performance, especially for track days or spirited driving, this Brembo Rear GT Big Brake Kit is a serious consideration. This kit replaces your factory rear brakes with a much larger and more capable setup, designed to handle the heat and demands of aggressive use. It's all about getting more stopping power and better fade resistance when you need it most.

At the heart of this kit are the robust 4-piston calipers, which offer more clamping force than stock. These calipers work with substantial 380x28mm two-piece rotors. The two-piece design helps manage heat by allowing the rotor and hat to expand independently, reducing the risk of warping. The rotors themselves are slotted, which helps to clear out brake dust and gases that can build up between the pad and rotor surface, maintaining consistent friction and bite even under heavy braking. The calipers come in a striking red finish, adding a visual upgrade to match the performance gains.

This kit is a comprehensive upgrade, meaning it includes everything needed to get these powerful brakes installed. When you're upgrading your braking system this significantly, it's always a good idea to consult the manufacturer's installation guide to ensure all components are fitted correctly. This Brembo kit is built for those who push their vehicles and demand the best from their braking system.