FILTERWEARS Pre-Filter F238 For PERRIN Air Filter X-PSP-INT-324-1 | 2008-2017 Subaru WRX STI

Filter material: 100% monofilament polyester with water repellent finish standard on all pre-filters. Closed top, round tapered pre-filter.

Measurements: 5.25"(top diameter) x 6"(base diameter) x 11"(height)

Fits PERRIN Air Filters: X-PSP-INT-324-1

Fits PERRIN Intake Kits:

• PSP-INT-322RD, PSP-INT-322BK, PSP-INT-322HP, PSP-INT-322NY
• PSP-INT-323RD, PSP-INT-323BK, PSP-INT-323HP, PSP-INT-323NY

Vehicle Applications:

• Fits 2008-2017 Subaru WRX STI 2.5L H4 Turbo (w/ PERRIN PSP-INT-322 / PSP-INT-323 intakes, depending on model year)
• Fits 2008-2014 Subaru Impreza WRX 2.5L H4 Turbo (w/ PERRIN PSP-INT-322 intake)
• Also suitable for universal and custom applications using air filters with the same dimensions.