Cobb Performance Series ST-01 Wheel 18x9.5 ET40 5x114.3 - Gold - 2015-2026 Subaru WRX / 2015-2021 STI / 2018-2026 Forester / 2015-2026 Outback / 2023-2026 Crosstrek PDM_skid-plates 22% greater coolant capacity than

22% greater coolant capacity than the stock plastic coolant expansion tank

and can also support mid to larger power builds

Hi-temp silicone Nomex diaphragm

and design

The filter is protected by an air box which shields the filter from harmful engine temperatures

Cobb Performance Series ST-01 Wheel 18x9.5 ET40 5x114.3 - Gold - 2015-2026 Subaru WRX / 2015-2021 STI / 2018-2026 Forester / 2015-2026 Outback / 2023-2026 Crosstrek PDM_skid-plates 22% greater coolant capacity thanCobb Performance Series ST 01 Wheel 18x9. 5 ET40 5x114. 3 Gold The Cobb Performance Series ST 01 wheel in Gold 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 Gold finish all ST 01 variants share the same 18x9. 5 ET40 5x114. 3 specification. DETAILS THIS LISTING: ST 01 Gold finish Size: 18x9. 5 ET40 offset