{"product_id":"k-n-engineering-33-2209-high-flow-drop-in-air-filter-for-2003-2009-audi-a4-models","title":"K\u0026N Engineering 33-2209 High-Flow Drop-In Air Filter for 2003-2009 Audi A4 Models","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\n\u003cp\u003eUpgrade your Audi A4 with the K\u0026amp;N 01-09 Audi A4\/RS4\/S4 Drop-In Air Filter, part number 33-2209, designed to deliver superior airflow and engine performance. Crafted with layered, oiled cotton media, this high-flow air filter enhances horsepower and optimizes engine efficiency by allowing more air to reach the combustion chambers. The precision fit ensures a straightforward installation into your factory air box, making it an ideal upgrade for maintaining or improving your vehicle's performance.\u003cbr\u003eConstructed for durability and reusability, the K\u0026amp;N High-Flow Air Filter is engineered to last for the entire lifespan of your vehicle. Its washable design means you can clean it every 75,000 miles under normal highway driving conditions, which translates to once every 5 years for most drivers, saving you money and reducing waste. Backed by K\u0026amp;N's 10-Year\/Million Mile Limited Warranty, this filter offers peace of mind with a lifetime of performance benefits.\u003cbr\u003eDesigned with environmental and safety considerations in mind, the filter complies with Prop 65 standards and does not require special handling beyond routine maintenance. Its high-quality materials and meticulous craftsmanship ensure consistent filtration efficiency, protecting your engine from contaminants while maintaining optimal airflow. Whether you're looking to boost horsepower or extend the life of your factory air intake system, this K\u0026amp;N filter is an excellent choice for 2003-2009 Audi A4 models, including Quattro and non-Quattro variants, providing reliable performance for years to come.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLayered, oiled cotton media for superior airflow and contaminant capture\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReusability with cleaning recommended every 75,000 miles\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy installation as a direct drop-in replacement for factory air boxes\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to increase horsepower and engine efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDurable construction backed by a 10-Year\/Million Mile Limited Warranty\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eProven performance for 2003-2009 Audi A4 models, including Quattro versions\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2002 Audi A4 Base\u003cbr\u003e\n2002 Audi A4 Quattro Avant\u003cbr\u003e\n2002 Audi A4 Quattro Base\u003cbr\u003e\n2003 Audi A4 Base\u003cbr\u003e\n2003 Audi A4 Cabriolet\u003cbr\u003e\n2003 Audi A4 Quattro Avant\u003cbr\u003e\n2003 Audi A4 Quattro Base\u003cbr\u003e\n2004 Audi A4 Base\u003cbr\u003e\n2004 Audi A4 Cabriolet\u003cbr\u003e\n2004 Audi A4 Quattro Avant\u003cbr\u003e\n2004 Audi A4 Quattro Base\u003cbr\u003e\n2004 Audi A4 Quattro Cabriolet\u003cbr\u003e\n2004 Audi S4 Avant\u003cbr\u003e\n2004 Audi S4 Base\u003cbr\u003e\n2004 Audi S4 Cabriolet\u003cbr\u003e\n2005 Audi A4 Base\u003cbr\u003e\n2005 Audi A4 Cabriolet\u003cbr\u003e\n2005 Audi A4 Quattro Avant\u003cbr\u003e\n2005 Audi A4 Quattro Base\u003cbr\u003e\n2005 Audi A4 Quattro Cabriolet\u003cbr\u003e\n2005 Audi S4 Avant\u003cbr\u003e\n2005 Audi S4 Base\u003cbr\u003e\n2005 Audi S4 Cabriolet\u003cbr\u003e\n2006 Audi A4 Base\u003cbr\u003e\n2006 Audi A4 Cabriolet\u003cbr\u003e\n2006 Audi A4 Quattro Avant\u003cbr\u003e\n2006 Audi A4 Quattro Base\u003cbr\u003e\n2006 Audi A4 Quattro Cabriolet\u003cbr\u003e\n2006 Audi S4 Avant\u003cbr\u003e\n2006 Audi S4 Base\u003cbr\u003e\n2006 Audi S4 Cabriolet\u003cbr\u003e\n2007 Audi A4 Base\u003cbr\u003e\n2007 Audi A4 Cabriolet\u003cbr\u003e\n2007 Audi A4 Quattro Avant\u003cbr\u003e\n2007 Audi A4 Quattro Base\u003cbr\u003e\n2007 Audi A4 Quattro Cabriolet\u003cbr\u003e\n2007 Audi RS4 Base\u003cbr\u003e\n2007 Audi S4 Avant\u003cbr\u003e\n2007 Audi S4 Base\u003cbr\u003e\n2007 Audi S4 Cabriolet\u003cbr\u003e\n2008 Audi A4 Base\u003cbr\u003e\n2008 Audi A4 Cabriolet\u003cbr\u003e\n2008 Audi A4 Quattro Avant\u003cbr\u003e\n2008 Audi A4 Quattro Base\u003cbr\u003e\n2008 Audi A4 Quattro Cabriolet\u003cbr\u003e\n2008 Audi RS4 Base\u003cbr\u003e\n2008 Audi RS4 Cabriolet\u003cbr\u003e\n2008 Audi S4 Avant\u003cbr\u003e\n2008 Audi S4 Base\u003cbr\u003e\n2008 Audi S4 Cabriolet\u003cbr\u003e\n2009 Audi A4 Cabriolet\u003cbr\u003e\n2009 Audi A4 Quattro Cabriolet\u003cbr\u003e\n2009 Audi S4 Cabriolet\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":53604279877905,"sku":"33-2209","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/3830\/0689\/files\/42fa8d2e3915653c6b6d0cffcc87a0c5.jpg?v=1779980457","url":"https:\/\/shoprenegade.com\/products\/k-n-engineering-33-2209-high-flow-drop-in-air-filter-for-2003-2009-audi-a4-models","provider":"Renegade Speed by Renegade Racing \u0026 Performance","version":"1.0","type":"link"}