2004-2007 Subaru Impreza WRX STI (AWD, 2.5L H4). 1x DBA 4000 Series T3 Slotted Rear Brake Rotor (DBA4656S-10). Constructed from high carbon alloyed iron and treated with Thermal Stability Profiling (TSP), the 4656S-10 rotor resists warping and maintains performance in repeated heavy braking cycles.