The Turbo XS 50/50 Hybrid blow-off valve is a hybrid-style BOV specified for 2008 and later Subaru WRX models. It is listed as a hybrid blow-off valve solution that fits 2008+ WRX applications, providing a combination of venting and recirculation characteristics appropriate for those turbocharged Subaru models where a hybrid BOV is preferred.
Turbo XS 08-12 WRX 50/50 Hybrid BOV