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COBB airbox engineered for 2019–2021 Subaru WRX STI and STI Type RA provides a direct-fit aftermarket airbox solution tailored to those models. The COBB airbox serves as a replacement or upgrade to the factory airbox while preserving proper intake geometry for the vehicle’s turbocharged system. It is supplied as a vehicle‑specific component intended for use on the listed 2019–2021 STI applications.
Cobb 19-21 Subaru STI / STI Type RA Airbox
