The Brembo TY3 Sport disc rotor is a rear rotor for certain 2007–2014 Subaru WRX 2.5L AWD and 2011 WRX STI applications, presented as part of the TY3 Sport line for rear replacements. The listing includes size code 316x20 for the rear fitment; use that dimension reference when confirming compatibility with your vehicle's rear brake components and configuration.
Brembo 2011 Subaru WRX STI/07-14 WRX S 2.5L AWD AWD Rear TY3 Sport Disc Rotor - 316X20