K&N Replacement Air Filter for 08-21 WRX / 08-18 STi (33-2304) Skunk2 1989-1994 Subaru Justy 1

1989-1994 Subaru Justy 1

375" (137mm) Top OD: 4

Backed by a 2-year limited warranty

if you have any questions on the install process

K&N Replacement Air Filter for 08-21 WRX / 08-18 STi (33-2304) Skunk2 1989-1994 Subaru Justy 1K&N drop in factory style replacement panel air filter for the 2008 2021 Subaru WRX and 2008 2018 STi. Designed to install easily into your stock air box and increase power. K&N filters are washable, reusable and engineered to last for the entire lifespan of your vehicle. Vehicle Fitment: 2008 2021 Subaru WRX 2008 2018 Subaru STi Note this does not fit 2019+ STi. Use K&N 33 5092 for 2019+ STi. Includes: (1) Air Filter Replacement for these OEM Part