PERRIN 22-26 Subaru WRX / 18-25 Crosstrek / 17-25 Impreza / 20-25 Outback Drop-In Panel Filter

All sales are final on custom order products. PSI Proformance Inc. offers a Limited Lifetime Warranty on workmanship to the original purchaser. This warranty covers defects in materials and craftsmanship under normal use. Refunds: Not available on custom orders. Exchanges: May be permitted only with written approval from PSI Proformance Inc. Customer Responsibility: The customer is responsible for all associated labor and shipping costs for exchanges or warranty claims.