{"product":{"id":7616882311349,"title":"K\u0026N 01-09 Audi A4\/RS4\/S4 Drop In Air Filter","body_html":"\u003cp\u003eExperience a performance upgrade with the K\u0026amp;N 01-09 Audi A4\/RS4\/S4 Drop-In Air Filter. Designed to boost horsepower and improve airflow, this high-flow, washable, and reusable air filter ensures your vehicle maintains peak performance with every drive. Its innovative design—with layered, oiled cotton media—captures contaminants while delivering a noticeable increase in acceleration and overall efficiency. The simple drop-in installation into your factory air box makes it an effortless upgrade to your vehicle’s performance.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cp\u003e• High-flow air filtration with an advanced, layered design for maximum performance\u003cbr\u003e• Washable and reusable for long-term savings and consistent quality\u003cbr\u003e• Backed by K\u0026amp;N’s 10-Year\/Million Mile Limited  for peace of mind\u003cbr\u003e• Designed as a drop-in replacement for easy installation\u003cbr\u003e• Enhanced acceleration and increased horsepower for a cleaner air intake\u003c\/p\u003e\u003ch3\u003eTechnical \u0026amp; Compatibility Details\u003c\/h3\u003e\u003cp\u003eFor optimal performance, maintenance is straightforward—clean the filter approximately every 50,000 miles on highway conditions to sustain peak airflow. This K\u0026amp;N air filter is specifically designed for Audi models:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e  \u003cth\u003eYear\u003c\/th\u003e  \u003cth\u003eMake\u003c\/th\u003e  \u003cth\u003eModel\u003c\/th\u003e  \u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e  \u003ctd\u003e2002-2008\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eA4\u003c\/td\u003e  \u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e  \u003ctd\u003e2003-2009\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eA4\u003c\/td\u003e  \u003ctd\u003eCabriolet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e  \u003ctd\u003e2002-2008\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eA4 Quattro\u003c\/td\u003e  \u003ctd\u003eAvant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e  \u003ctd\u003e2002-2008\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eA4 Quattro\u003c\/td\u003e  \u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e  \u003ctd\u003e2004-2009\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eA4 Quattro\u003c\/td\u003e  \u003ctd\u003eCabriolet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e  \u003ctd\u003e2007-2008\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eRS4\u003c\/td\u003e  \u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e  \u003ctd\u003e2008\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eRS4\u003c\/td\u003e  \u003ctd\u003eCabriolet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e  \u003ctd\u003e2004-2008\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eS4\u003c\/td\u003e  \u003ctd\u003eAvant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e  \u003ctd\u003e2004-2008\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eS4\u003c\/td\u003e  \u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e  \u003ctd\u003e2004-2009\u003c\/td\u003e  \u003ctd\u003eAudi\u003c\/td\u003e  \u003ctd\u003eS4\u003c\/td\u003e  \u003ctd\u003eCabriolet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eUpgrade today to experience improved power and efficiency. Explore more high-performance parts in our \u003ca href=\"https:\/\/everythingtruckpartss.shop\/collections\/air-filters-drop-in\"\u003eAir Filters - Drop In\u003c\/a\u003e collection or check out the \u003ca href=\"https:\/\/everythingtruckpartss.shop\/collections\/k-n-engineering\"\u003eK\u0026amp;N Engineering\u003c\/a\u003e lineup for additional performance enhancements.\u003c\/p\u003e","vendor":"K\u0026N Engineering","product_type":"Air Filters - Drop In","created_at":"2024-01-14T15:39:55-05:00","handle":"k-n-01-09-audi-a4-rs4-s4-drop-in-air-filter","updated_at":"2026-01-09T05:42:14-05:00","published_at":"2024-01-14T15:39:36-05:00","template_suffix":null,"published_scope":"web","tags":"2002-audi-a4-esi1340889, 2002-audi-a4-quattro-esi8947766, 2003-audi-a4-esi2570313, 2003-audi-a4-quattro-esi6893427, 2004-audi-a4-esi8218895, 2004-audi-a4-quattro-esi2419944, 2004-audi-s4-esi4961930, 2005-audi-a4-esi6458111, 2005-audi-a4-quattro-esi5131869, 2005-audi-s4-esi7533937, 2006-audi-a4-esi1609122, 2006-audi-a4-quattro-esi1780730, 2006-audi-s4-esi5062641, 2007-audi-a4-esi5556755, 2007-audi-a4-quattro-esi6626871, 2007-audi-rs4-esi3875535, 2007-audi-s4-esi3469142, 2008-audi-a4-esi4784254, 2008-audi-a4-quattro-esi2615733, 2008-audi-rs4-esi1268484, 2008-audi-s4-esi9570287, 2009-audi-a4-esi7536843, 2009-audi-a4-quattro-esi6618958, 2009-audi-s4-esi6320280, 50-100, Air Filters\u003eAir Filters - Drop In, air-filters-drop-in, CaseLotQuantity:1, ClearanceItem:N, Core:N, CorePrice:0, EPA:N\/A, filters, fits_2002-2008`Audi`A4`Base~2003-2009`Audi`A4`Cabriolet~2002-2008`Audi`A4 Quattro`Avant~2002-2008`Audi`A4 Quattro`Base~2004-2009`Audi`A4 Quattro`Cabriolet~2007-2008`Audi`RS4`Base~2008`Audi`RS4`Cabriolet~2004-2008`Audi`S4`Avant~2004-2008`Audi`S4`Base, k-n-engineering, LTL:N, MPN:33-2209, Non-CARB:N, Prop65:Y, SpecialOrder:N, TURN14_ID:235232","variants":[{"id":43495543898293,"product_id":7616882311349,"title":"Default 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