![K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter 'Towing'] midway to muffler](https://cdn.shopify.com/s/files/1/0590/5131/1259/files/3db407284f327cd6e9f4d19c6b33bf43.jpg?v=1751723435)
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midway to muffler
Note: This coupling kit fits aFe intercooler tubes only (46-20124-B)
Perfect for aggressive street car owners that also use their cars for autocross
single out mufflers are used to maximize performance across the power band while maintaining a great tone
K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter 'Towing'] midway to mufflerK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your
