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The DBA 4000 Series plain rear rotor for 2008–2017 Subaru WRX STI applications is a direct-replacement rotor cast from XG-150 high-carbon alloyed iron and Thermally Stability Profiled to handle repeated heavy braking. DBA's Kangaroo Paw ventilation employs 144 diamond and teardrop pillars to increase surface area and cooling efficiency—offering notable thermal improvements versus straight vane rotors while providing an HD smooth-face option for OE appearance.
DBA 08-17 Subaru WRX STI Rear 4000 Series Plain Rotor
