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Improve airflow to breathe power into your STI
Flush Fitment
Provides the perfect mounting solution for your fuel level sender
Big brake hat-Short offset
K&N Replacement Air Filter - 2019-2021 Subaru WRX / STI Hyundai-Elantra-N-2024 Improve airflow to breathe powerK&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&Ns 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your
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