The K&N Replacement Air Filter for Subaru models including the 2022+ WRX, Legacy, and Ascent is a high-performance, washable, and reusable air filter designed to enhance engine airflow and improve overall horsepower. Constructed with layered, oiled cotton media, this filter offers superior contaminant filtration while maximizing airflow efficiency. Its innovative design ensures optimal engine breathing, leading to increased performance and responsiveness. Built to last the lifespan of your vehicle, the filter is engineered for durability and consistent performance, backed by K&N's 10-Year/Million Mile Limited Warranty. Its high-flow capabilities make it an ideal upgrade for enthusiasts seeking improved throttle response and engine efficiency without sacrificing filtration quality.

This drop-in replacement filter is specifically designed for Subaru vehicles from 2022 onward, including the WRX, Legacy, and Ascent, and fits seamlessly into the factory air box. It is a direct replacement for the stock filter, requiring no modifications for installation. The filter is suitable for street use and daily driving, providing a maintenance-friendly solution that can be cleaned and reused multiple times. The kit includes the filter itself, ready for easy installation, making it an excellent upgrade for those looking to boost engine performance while maintaining OEM fitment and reliability.