Process West Radiator Cover Red Factory Intake Subaru WRX / STI 2015-2021 | PWED03R item-points HB1 Air Valve (Included)

HB1 Air Valve (Included)

and helps increase cornering performance

there is a Perrin spacer included which allows for easier installation of the thermostat-filter assembly and increased clearance for the hoses over the headers

but with a 15-20% higher torque capacity

Weight aside

Process West Radiator Cover Red Factory Intake Subaru WRX / STI 2015-2021 | PWED03R item-points HB1 Air Valve (Included)Product Fitment: 2015 2021 Subaru WRX 2015 2021 Subaru STI The Process West Radiator Cover is a functional engine bay upgrade designed to improve airflow management across the radiator while delivering a clean, finished appearance under the bonnet. It bridges the gap between form and function by enhancing both cooling efficiency and engine bay presentation. Form Meets Function Cooling Design A missing or poorly sealed radiator cover allows incoming