Air Filters - Drop In

K&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...

K&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...

K&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...

K&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...

Perrin 13 Subaru BRZ / 13 Scion FR-S Panel FilterThis Part Fits:YearMakeModelSubmodel2013-2020SubaruBRZLimited2013-2019SubaruBRZPremium2015SubaruBRZSeries.Blue2016SubaruBRZSeries.HyperBlue2018,2020SubaruBRZTS

Perrin 05-09 LGT / 08-11 WRX / 08-11 STi Drop In FilterThis Part Fits:YearMakeModelSubmodel2009SubaruForesterXT2009-2010SubaruForesterXT Limited2010-2012SubaruForesterXT Premium2011-2012SubaruForesterXT Touring2008-2014SubaruImprezaWRX...

K&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...

Constructed with 100-percent polyurethane on top and bottom, this high flow oil-free OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide...

Constructed with 100-percent polyurethane on top and bottom, this high flow oil-free OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide...

Constructed with 100-percent polyurethane on top and bottom, this high flow oil-free OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide...

Constructed with 100-percent polyurethane on top and bottom, this high flow oil-free OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide...

Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide...