Part Number: 30-10161

Description: OE High Performance Replacement Air Filter

Shape: OEM

Cap Outside Diameter: N/A

Filter Style: Dry

Fitment: 15-21 Subaru WRX & STI

Details:

Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for improved horsepower and torque. Multiple layers of progressively finer mesh gauze media provides 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 a tight, leak free seal over the life of the filter.

*Pro 5R*

* Primary Concern: Performance - Pro 5R provides your engine with the largest amount of high-flowing, cold air, giving you the greatest horsepower and torque gains * Filtration Efficiency: Good - 98.6% - with filtration efficency levels in the high 98% range, Pro 5r outperforms most other cotton gauze medias on the market * Typical Vehicle: Gas / Diesel - Just the right combination of airflow and engine protection for everyday and performance oriented vehicles * Driving Conditions: Street - Pro 5R exceeds the necessary protection for average everyday driving