The R1 Concepts drilled rear-left brake rotor for 2003–2004 Subaru Impreza applications is a black-finished replacement rotor for the rear left position. Identified as the drilled rotor style for those Impreza years, it’s intended for standard brake maintenance or part replacement. The explicit year range and side designation in the listing allow buyers to verify fitment for that Impreza generation and select matching components for the opposite rear position.

R1 03-04 Subaru Impreza Rear Left Drilled Black Brake Rotor