AFE 31-10161 PRO Dry S Air Filter 08-11 Subaru Impreza WRX STI H4 2.5L
Constructed with 100% polyurethane on all four sides, this high flow "oil-free" OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide maximum convenience and easy maintenance. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Integrated urethane bump seal insures tight, no leak seal over the life of the filter.
PRO 5R Features:
- Washable/ Reusable "oil-free" dry synthetic media
- Maximum convenienve with no re-oiling
- Deep open Pleats for longer sevice cycle