Description
Upgrade your Subaru WRX STI with the K&N Engineering 33-5092 High-Flow Reusable Air Filter, designed to enhance engine performance and airflow. Crafted with layered, oiled cotton media, this filter effectively captures contaminants while promoting increased horsepower and engine efficiency. The advanced design ensures a significant boost in airflow, which can translate into improved throttle response and overall vehicle performance. Being a drop-in replacement, it installs easily into your factory air box, making it a straightforward upgrade for your vehicle.
K&N’s washable and reusable filter is engineered to last the entire lifespan of your vehicle, providing long-term savings and environmental benefits by reducing waste. Its durable construction and high-quality materials withstand rigorous use, while the 10-Year/Million Mile Limited Warranty offers peace of mind that your investment is protected. Regular cleaning and maintenance restore the filter’s optimal performance, ensuring your engine continues to benefit from superior airflow and filtration. This product not only enhances your vehicle’s performance but also supports eco-friendly practices by reducing disposable filter waste. It is compatible specifically with 2019-2021 Subaru WRX STI models with a 2.5L engine, ensuring a precise fit for your application. Whether you are looking for increased horsepower or improved filtration efficiency, the K&N 33-5092 is a reliable choice backed by a proven track record of quality and performance.
Features:
- High-Flow layered, oiled cotton media designed to improve airflow and capture contaminants
- Reusable and washable, engineered to last for the vehicle’s entire lifespan
- Easy installation as a drop-in replacement into factory air box
- Provides an increase in horsepower and throttle response
- Backed by K&N’s 10-Year/Million Mile Limited Warranty
- Reduces waste by replacing disposable filters, promoting eco-friendly practices
Fitment:
Subaru WRX STI Base 2019
Subaru WRX STI Base 2020
Subaru WRX STI Base 2021
Subaru WRX STI Limited 2019
Subaru WRX STI Limited 2020
Subaru WRX STI Limited 2021
Subaru WRX STI S209 2019



























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