Cobb Performance Series ST-01 Wheel 18x9.5 ET40 5x114.3 - Satin Black - 2015-2026 Subaru WRX / 2015-2021 STI / 2018-2026 Forester / 2015-2026 Outback / 2023-2026 Crosstrek PDM_blow-off-valve-recirculation-kits including those made by Extreme

including those made by Extreme Turbo Systems

Application-specific design developed and validated through HKS in-house testing

and filter (where applicable)

This blow-off valve is ideal for those of you with modifications that will surpass the boost and power levels of your factory blow-off valve

and there is a screw to hold it in place

Cobb Performance Series ST-01 Wheel 18x9.5 ET40 5x114.3 - Satin Black - 2015-2026 Subaru WRX / 2015-2021 STI / 2018-2026 Forester / 2015-2026 Outback / 2023-2026 Crosstrek PDM_blow-off-valve-recirculation-kits including those made by ExtremeCobb Performance Series ST 01 Wheel 18x9. 5 ET40 5x114. 3 Satin Black The Cobb Performance Series ST 01 wheel in Satin Black is a flow formed 18x9. 5 ET40 5x114. 3 wheel developed for the Subaru WRX and STI. Flow formed construction provides improved strength to weight ratio versus cast wheels. This listing is the Satin Black finish all ST 01 variants share the same 18x9. 5 ET40 5x114. 3 specification. DETAILS THIS LISTING: ST 01 Satin Black finish