Intended to replace, without modifications, the standard air filter of the EJ20 engines of the Subaru Impreza GT GC8 and WRX STI 01-07, this HKS Super Air Filter is without doubt one of the most efficient filter on the market. With its gradient polyester structure, this filter is capable of not only allowing a large amount of air to pass through for optimum efficiency but also effectively filtering out all unwanted particles for maximum reliability.

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Direct mounting

Gradient polyester structure

Optimised airflow

Maximum filtration

Washable and reusable

Made in Japan