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

This K&N 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 top - notch filtration. Custom - made to fit your factory air box, it's a breeze to install. Backed by a Million - Mile Limited Warranty, it's a reliable choice for street vehicles. Using oil for filtration, you can easily wash and recharge it with a K&N cleaning kit (sold separately).

Using this K&N air filter is super easy. First, find your vehicle's existing factory air box. Remove the old filter and simply drop this K&N filter in. It's custom - designed to fit right in, so installation should be quick. As for maintenance, when you notice the filter getting dirty, use a K&N cleaning kit (you'll need to buy it separately). Just follow the instructions on the kit to wash and recharge the filter. One important thing to note is that this filter uses oil for filtration. Make sure to always use the K&N cleaning kit to keep it in top shape and maintain its performance. Also, since it's covered by a Million - Mile Limited Warranty, take good care of it and enjoy the increased horsepower and acceleration it brings to your Subaru WRX, STI, or Legacy GT.