{"product_id":"k-n-01-09-audi-a4-rs4-s4-drop-in-air-filter","title":"K\u0026N 01-09 Audi A4\/RS4\/S4 Drop In Air Filter","description":"K\u0026amp;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\u0026amp;N's 10-Year\/Million Mile Limited Warranty. K\u0026amp;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\u0026amp;N's most popular product!\nK\u0026amp;N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K\u0026amp;N's No-Hassle Lifetime Limited Warranty.\n\u003cul\u003e\n  \u003cli\u003eCLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)\n\u003c\/li\u003e\n  \u003cli\u003eMillion Mile Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nAudi A4 Base 2002\u003cbr\u003e\nAudi A4 Base 2003\u003cbr\u003e\nAudi A4 Base 2004\u003cbr\u003e\nAudi A4 Base 2005\u003cbr\u003e\nAudi A4 Base 2006\u003cbr\u003e\nAudi A4 Base 2007\u003cbr\u003e\nAudi A4 Base 2008\u003cbr\u003e\nAudi A4 Cabriolet 2003\u003cbr\u003e\nAudi A4 Cabriolet 2004\u003cbr\u003e\nAudi A4 Cabriolet 2005\u003cbr\u003e\nAudi A4 Cabriolet 2006\u003cbr\u003e\nAudi A4 Cabriolet 2007\u003cbr\u003e\nAudi A4 Cabriolet 2008\u003cbr\u003e\nAudi A4 Cabriolet 2009\u003cbr\u003e\nAudi A4 Quattro Avant 2002\u003cbr\u003e\nAudi A4 Quattro Avant 2003\u003cbr\u003e\nAudi A4 Quattro Avant 2004\u003cbr\u003e\nAudi A4 Quattro Avant 2005\u003cbr\u003e\nAudi A4 Quattro Avant 2006\u003cbr\u003e\nAudi A4 Quattro Avant 2007\u003cbr\u003e\nAudi A4 Quattro Avant 2008\u003cbr\u003e\nAudi A4 Quattro Base 2002\u003cbr\u003e\nAudi A4 Quattro Base 2003\u003cbr\u003e\nAudi A4 Quattro Base 2004\u003cbr\u003e\nAudi A4 Quattro Base 2005\u003cbr\u003e\nAudi A4 Quattro Base 2006\u003cbr\u003e\nAudi A4 Quattro Base 2007\u003cbr\u003e\nAudi A4 Quattro Base 2008\u003cbr\u003e\nAudi A4 Quattro Cabriolet 2004\u003cbr\u003e\nAudi A4 Quattro Cabriolet 2005\u003cbr\u003e\nAudi A4 Quattro Cabriolet 2006\u003cbr\u003e\nAudi A4 Quattro Cabriolet 2007\u003cbr\u003e\nAudi A4 Quattro Cabriolet 2008\u003cbr\u003e\nAudi A4 Quattro Cabriolet 2009\u003cbr\u003e\nAudi RS4 Base 2007\u003cbr\u003e\nAudi RS4 Base 2008\u003cbr\u003e\nAudi RS4 Cabriolet 2008\u003cbr\u003e\nAudi S4 Avant 2004\u003cbr\u003e\nAudi S4 Avant 2005\u003cbr\u003e\nAudi S4 Avant 2006\u003cbr\u003e\nAudi S4 Avant 2007\u003cbr\u003e\nAudi S4 Avant 2008\u003cbr\u003e\nAudi S4 Base 2004\u003cbr\u003e\nAudi S4 Base 2005\u003cbr\u003e\nAudi S4 Base 2006\u003cbr\u003e\nAudi S4 Base 2007\u003cbr\u003e\nAudi S4 Base 2008\u003cbr\u003e\nAudi S4 Cabriolet 2004\u003cbr\u003e\nAudi S4 Cabriolet 2005\u003cbr\u003e\nAudi S4 Cabriolet 2006\u003cbr\u003e\nAudi S4 Cabriolet 2007\u003cbr\u003e\nAudi S4 Cabriolet 2008\u003cbr\u003e\nAudi S4 Cabriolet 2009","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":54633032352116,"sku":"33-2209","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4365\/8612\/files\/42fa8d2e3915653c6b6d0cffcc87a0c5.jpg?v=1779322962","url":"https:\/\/downeastoffroad.com\/products\/k-n-01-09-audi-a4-rs4-s4-drop-in-air-filter","provider":"Down East Offroad ","version":"1.0","type":"link"}