Radium Engineering .75" Air Filter (18-0042) MODEL_A90 offering a balanced driving experience

offering a balanced driving experience that feels both sporty and refined

This hub helps improve the overall driving feel by reducing steering wheel offset

Bezel for mounting or aesthetic enhancement

with just a bulb swap - making this a great simple upgrade for the WRX

reducing setup time and ensuring optimal driving ergonomics

Radium Engineering .75" Air Filter (18-0042) MODEL_A90 offering a balanced driving experienceRadium Engineering Air Filter Universal Fitment Part #: 18 0042 Overview The Radium Engineering . 75" Air Filter is a high quality, versatile breather filter designed to provide efficient ventilation for a variety of automotive applications. Whether you are working on engine crankcase ventilation, fuel cells, or other systems requiring a reliable breather, this filter offers a practical solution that helps maintain optimal airflow and vapor