Perrin [02-07 WRX, 04-07 STI, 04-08 FXT] Drop In Panel Filter | PSP-INT-100 17-19 Integrated Lock Design - Prevents

Integrated Lock Design - Prevents accidental loosening and theft deterrent during highway driving

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Black housing finish - Matches factory OE appearance without custom paint work

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Perrin [02-07 WRX, 04-07 STI, 04-08 FXT] Drop In Panel Filter | PSP-INT-100 17-19 Integrated Lock Design - PreventsThe Perrin drop in air filter uses a 2 stage foam filtration element to improve airflow in your stock air box; providing improved power and airflow while removing harmful particles from the incoming air. Using a special oil coating, the foam filter catches dirt particles while allowing air to pass unimpeded through the high flow foam. This filter can be cleaned and re oiled using the Perrin cleaning kit, sold separately.