Perrin 2-Piece Replacement Filter for Perrin Intakes 3.125 inch ID (Fits Big MAF and V2 standard In

Perrin 08-15 Subaru WRX/STi Replacement 2.75in ID 11in Length Filter

Perrin 08-15 Subaru WRX/STi Replacement 2.75in ID 8in Length Filter

Perrin 2.5 inch ID Exhaust Gasket (replacement part)