{"product_id":"engine-air-filter-02-09-audi-a4-1-8l-2-0l-3-0l-3-2l-quattro-07-08rs4-4-2l-04-09-s4-4-2l-06c133842-06c133843-red","title":"02-09 Audi A4 Engine Air Filter - Red","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e02-09 Audi A4 Engine Air Filter — Red\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eHigh-flow engine air filter designed for A4 models, finished in distinctive red.\u003c\/strong\u003e Direct replacement that bolts into your factory airbox without modification. Improves intake flow while maintaining OEM fitment.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Ships from FL Warehouse\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ In-House Quality Check\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Factory Mounting Points\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eKey Features\u003c\/h6\u003e\n\u003cdiv class=\"design-features\"\u003e\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed media finish\u003c\/strong\u003e - Visible through your airbox and adds subtle visual interest without engine bay mods\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect airbox fit\u003c\/strong\u003e - No custom brackets, ducting, or airbox modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-flow media\u003c\/strong\u003e - Optimized for improved airflow over OEM paper filters\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eRed media construction\u003c\/li\u003e\n\u003cli\u003eOEM airbox compatible\u003c\/li\u003e\n\u003cli\u003eSingle filter unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eEngine air filter\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch6 class=\"section-title\"\u003eFrequently Asked Questions\u003c\/h6\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill this require any modification to my airbox or intake?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This filter mounts directly to your factory airbox using OEM connection points — no cutting, drilling, or adapter brackets needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eHow often do I need to replace this filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eService interval depends on driving conditions and air quality in your area. Check your vehicle's service manual for the recommended replacement schedule — typically every 15,000–30,000 miles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eCan I clean and reuse this filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a disposable filter designed for one-time use. Replace it when airflow drops or visual inspection shows heavy debris accumulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":45873424007402,"sku":"K2-2518-AUD-006-EC","price":99.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/AFPN-089-RD-1.jpg?v=1772731341","url":"https:\/\/www.k2-industries.com\/en-pl\/products\/engine-air-filter-02-09-audi-a4-1-8l-2-0l-3-0l-3-2l-quattro-07-08rs4-4-2l-04-09-s4-4-2l-06c133842-06c133843-red","provider":"K2 Industries","version":"1.0","type":"link"}