K&N Audi A4 1.8L Drop In Air Filter

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 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 factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.

Fitment:
Audi A4 Base 2009
Audi A4 Base 2010
Audi A4 Base 2011
Audi A4 Base 2012
Audi A4 Base 2013
Audi A4 Base 2014
Audi A4 Premium 2015
Audi A4 Premium 2016
Audi A4 Premium Plus 2015
Audi A4 Premium Plus 2016
Audi A4 Prestige 2015
Audi A4 Quattro Avant 2009
Audi A4 Quattro Avant 2010
Audi A4 Quattro Avant 2011
Audi A4 Quattro Avant 2012
Audi A4 Quattro Base 2009
Audi A4 Quattro Base 2010
Audi A4 Quattro Base 2011
Audi A4 Quattro Base 2012
Audi A4 Quattro Base 2013
Audi A4 Quattro Base 2014
Audi A4 Quattro Premium 2015
Audi A4 Quattro Premium 2016
Audi A4 Quattro Premium Plus 2015
Audi A4 Quattro Premium Plus 2016
Audi A4 Quattro Prestige 2015
Audi A5 Cabriolet 2010
Audi A5 Cabriolet 2011
Audi A5 Cabriolet 2012
Audi A5 Cabriolet 2013
Audi A5 Cabriolet 2014
Audi A5 Quattro Base 2010
Audi A5 Quattro Base 2011
Audi A5 Quattro Base 2012
Audi A5 Quattro Base 2013
Audi A5 Quattro Base 2014
Audi A5 Quattro Cabriolet 2010
Audi A5 Quattro Cabriolet 2011
Audi A5 Quattro Cabriolet 2012
Audi A5 Quattro Cabriolet 2013
Audi A5 Quattro Cabriolet 2014
Audi A5 Quattro Premium 2015
Audi A5 Quattro Premium 2016
Audi A5 Quattro Premium Plus 2015
Audi A5 Quattro Premium Plus 2016
Audi A5 Quattro Prestige 2015
Audi A5 Quattro Sport 2017
Audi A6 Premium 2014
Audi A6 Premium Plus 2014
Audi allroad Premium 2013
Audi allroad Premium 2014
Audi allroad Premium 2015
Audi allroad Premium 2016
Audi allroad Premium Plus 2013
Audi allroad Premium Plus 2014
Audi allroad Premium Plus 2015
Audi allroad Premium Plus 2016
Audi allroad Prestige 2013
Audi allroad Prestige 2014
Audi allroad Prestige 2015
Audi Q5 Hybrid Prestige 2013
Audi Q5 Hybrid Prestige 2014
Audi Q5 Hybrid Prestige 2015
Audi Q5 Hybrid Prestige 2016
Audi Q5 Premium 2011
Audi Q5 Premium 2012
Audi Q5 Premium 2013
Audi Q5 Premium 2014
Audi Q5 Premium 2015
Audi Q5 Premium 2016
Audi Q5 Premium 2017
Audi Q5 Premium Plus 2011
Audi Q5 Premium Plus 2012
Audi Q5 Premium Plus 2013
Audi Q5 Premium Plus 2014
Audi Q5 Premium Plus 2015
Audi Q5 Premium Plus 2016
Audi Q5 Premium Plus 2017
Audi Q5 Prestige 2014