The R1 Concepts Geo-Carbon drilled and slotted rotor for 2003–2004 Subaru Impreza (rear left) is a rear-left replacement rotor offered in the Geo-Carbon drilled-and-slotted configuration. This overview identifies the rotor and clarifies fitment for Subaru Impreza models produced in 2003 and 2004, specifying the rear-left position named in the source description for accurate selection.
R1 03-04 Subaru Impreza Rear Left Drilled & Slotted Geo-Carbon Rotor