K&N Replacement Air Filter for 19-21 STi (33-5092) Check Valve Fitment: Size: Includes: Part Number: Engine Mount
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Description
K&N Replacement Air Filter for 19 21 STi (33 5092) Check Valve Fitment: Size: Includes: Part Number: Engine Mount Fitment: Size: Includes: Part Number: Intake +1mm Oversize 37 06047 TD7R X Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product • Designed to provide high airflow and exceptional filtration