K&N Replacement Air Filter - 2019-2021 Subaru WRX / STI PDM_fuel-system-kits The OEM rubber seals harden

The OEM rubber seals harden

Direct fitment installation that requires no modifications

and a broad fitment range covering the full WRX EJ255 and FA20DIT production run

Front location only

K&N Replacement Air Filter - 2019-2021 Subaru WRX / STI PDM_fuel-system-kits The OEM rubber seals hardenRallySport Direct proudly carries quality intake system upgrades and replacements brought to you by the leaders in the industry, K&N. Here, you are looking at the K&N High Flow Air Filter. This is a high performance direct replacement of your factory intake filter designed to provide better filtering capabilities while allows for better airflow for improved performance. Designed to improve power and rate of acceleration Can be cleaned and used again