StopTech Stage 2 kit includes all the components and benefits provided by the Stage 1 kit, but adds direct replacement drilled or slotted rotors at all four corners. For customers interested in attaining an aesthetic edge, we offer cross-drilled rotors that look phenomenal behind that new set of custom wheels as well as preventing glazing of the pads and improving wet and dry braking performance. Alternatively, for the more performance minded enthusiast we recommend slotted rotors that still retain an eye-catching look and provide all the performance gains of a drilled rotor, but are less likely to crack under repeated, severe usage. Regardless of drilling or slotting, most StopTech rotors have a durable black coating on the non-swept areas of the rotor to prevent unsightly corrosion, and quality is assured as the rotors are manufactured to meet or exceed all OE specifications. Good for autocross. Not for extended track sessions.