K&N Drop In Air Filter Subaru WRX 2008-2021 / STI 2008-2018 / Legacy GT 2005-2012 | 33-2304

This K&N drop-in air filter is a perfect fit for Subaru WRX from 2008 to 2021, STi from 2008 to 2018, and Legacy GT from 2005 to 2012. It's designed to boost horsepower and acceleration while offering great filtration. Custom - made to fit your factory air box, it's easy and quick to install. Backed by a Million - Mile Limited Warranty, these filters use oil for filtration and can be washed and recharged with a K&N cleaning kit (sold separately).

Using this K&N air filter is a breeze. Just take out your old air filter and put this one into your existing factory air box. It fits right in, so installation is fast. Remember, this filter uses oil for filtration. When it gets dirty, you can clean it with a K&N cleaning kit (you'll need to buy this separately). After cleaning, recharge it with oil according to the kit's instructions. Keep in mind that it's covered by a Million - Mile Limited Warranty, so you can use it with confidence on your street vehicle.