DBA 03-13 Subaru WRX (w/STI Calipers & 170mm Handbrake) Rear 4000 Series Plain Rotor - DBA4655-10

4000 SERIES HD variant features a smooth OE style rotor finish, popular for drivers looking for the benefits of a 4000 Series rotor but requiring an OE style look, such as controlled race divisions.
Installation Instructions