Air Filters - Drop In

Injen High Performance Air Filter - 4.50 Black Filter 6.75 Base / 5 Tall / 5 Top

Injen AMSOIL Ea Nanofiber Dry Air Filter - 4.50 Filter 6.75 Base / 5 Tall / 5 Top

Injen High Performance Air Filter - 3.00 Black Filter 6 Base / 5 Tall / 4 Top - 45 Pleat

Injen SuperNano Web Dry Air Filter - 3.00 Filter 5 Base / 5 Tall / 4 Top - 45 Pleat

Injen High Performance Air Filter - 3.50 Black Filter 6 Base / 5 Tall / 5 Top

Injen AMSOIL Ea Nanofiber Dry Air Filter - 3.50 Filter 6 Base / 5 Tall / 5 Top

Injen High Performance Air Filter - 3.00 Black Filter 6 Base / 5 Tall / 5 Top

Injen AMSOIL Ea Nanofiber Dry Air Filter - 3.00 Filter 6 Base / 5 Tall / 5 Top

Injen High Performance Air Filter - 2.75 Black Filter 6 Base / 5 Tall / 5 Top

Injen AMSOIL Ea Nanofiber Dry Air Filter - 2.75 Filter 6 Base / 5 Tall / 5 Top

Injen High Performance Air Filter - 2.50 Black Filter 6 Base / 5 Tall / 5 Top

Injen AMSOIL Ea Nanofiber Dry Air Filter - 2.50 Filter 6 Base / 5 Tall / 5 Top

Injen High Performance Air Filter - 2.75 Black Filter 5 Base / 5 Tall / 4 Top - 40 Pleat

Injen AMSOIL Ea Nanofiber Dry Air Filter - 2.75 Filter 5 Base / 5 Tall / 4 Top - 40 Pleat

K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter

K&N 2017 Subaru Impreza L4-2.0L F/I Drop In Replacement Air Filter

K&N 2014 SUBARU XV CROSSTREK HYBRID 2.0L L4 2014 Replacement Air Filter

K&N 05-08 LGT / 08-11 WRX / STi Drop In Air Filter

K&N 02-07 WRX/STi Drop In Air Filter 11in O/S Length / 6.563in O/S Width / 1.063in Height

K&N 05 WRX / 99-06 Impreza / 99-04 Legacy Drop In Air Filter

K&N 04-07 Subaru STi K&N Drop In Air Filter

aFe MagnumFLOW Air Filters UCO PG7 A/F PG7 4F x 8-1/2B x 8-1/2T x 11H

aFe MagnumFLOW Air Filters IAF PG7 A/F PG7 4-3/8F x (6x 9)B x 5-1/2T x 9H

aFe MagnumFLOW Air Filters UCO PG7 A/F PG7 4(3.85)F x 8B x 7T x 8H