{"product_id":"aem-cold-air-intake-2008-2014-subaru-impreza-wrx-sti-gunmetal-gray-21-478c","title":"AEM Cold Air Intake System, 2008-2014 Subaru Impreza WRX\/STI, Gunmetal Gray | 21-478C","description":"\u003cp\u003eThe AEM cold air intake system is engineered to increase horsepower and torque with an oversized AEM Dryflow synthetic washable air filter, a mandrel-bent aluminum intake tube, and high-quality hardware. The oversized conical filter design allows up to 100,000 miles between filter services under normal highway driving. A custom heat shield helps protect intake air from engine bay heat, and the factory fresh-air duct attaches directly to the heat shield. The complete system typically installs in under 90 minutes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFinish: Gunmetal Gray\u003c\/li\u003e\n\u003cli\u003eFilter: Oversized AEM Dryflow synthetic, washable and reusable\u003c\/li\u003e\n\u003cli\u003eIntake tube: Mandrel-bent aluminum\u003c\/li\u003e\n\u003cli\u003eIncludes custom heat shield with factory fresh-air duct attachment\u003c\/li\u003e\n\u003cli\u003eTypical install time: under 90 minutes\u003c\/li\u003e\n\u003cli\u003ePart Number: 21-478C\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2008 Subaru Impreza WRX\u003c\/li\u003e\n\u003cli\u003e2009 Subaru Impreza WRX\u003c\/li\u003e\n\u003cli\u003e2010 Subaru Impreza WRX\u003c\/li\u003e\n\u003cli\u003e2011 Subaru Impreza WRX\u003c\/li\u003e\n\u003cli\u003e2012 Subaru Impreza WRX\u003c\/li\u003e\n\u003cli\u003e2013 Subaru Impreza WRX\u003c\/li\u003e\n\u003cli\u003e2014 Subaru Impreza WRX\u003c\/li\u003e\n\u003cli\u003e2010 Subaru Impreza WRX Limited\u003c\/li\u003e\n\u003cli\u003e2011 Subaru Impreza WRX Limited\u003c\/li\u003e\n\u003cli\u003e2012 Subaru Impreza WRX Limited\u003c\/li\u003e\n\u003cli\u003e2013 Subaru Impreza WRX Limited\u003c\/li\u003e\n\u003cli\u003e2014 Subaru Impreza WRX Limited\u003c\/li\u003e\n\u003cli\u003e2009 Subaru Impreza WRX Premium\u003c\/li\u003e\n\u003cli\u003e2010 Subaru Impreza WRX Premium\u003c\/li\u003e\n\u003cli\u003e2011 Subaru Impreza WRX Premium\u003c\/li\u003e\n\u003cli\u003e2012 Subaru Impreza WRX Premium\u003c\/li\u003e\n\u003cli\u003e2013 Subaru Impreza WRX Premium\u003c\/li\u003e\n\u003cli\u003e2014 Subaru Impreza WRX Premium\u003c\/li\u003e\n\u003cli\u003e2008 Subaru Impreza WRX STI\u003c\/li\u003e\n\u003cli\u003e2009 Subaru Impreza WRX STI\u003c\/li\u003e\n\u003cli\u003e2010 Subaru Impreza WRX STI\u003c\/li\u003e\n\u003cli\u003e2011 Subaru Impreza WRX STI\u003c\/li\u003e\n\u003cli\u003e2012 Subaru Impreza WRX STI\u003c\/li\u003e\n\u003cli\u003e2013 Subaru Impreza WRX STI\u003c\/li\u003e\n\u003cli\u003e2014 Subaru Impreza WRX STI\u003c\/li\u003e\n\u003cli\u003e2011 Subaru Impreza WRX STI Limited\u003c\/li\u003e\n\u003cli\u003e2012 Subaru Impreza WRX STI Limited\u003c\/li\u003e\n\u003cli\u003e2013 Subaru Impreza WRX STI Limited\u003c\/li\u003e\n\u003cli\u003e2014 Subaru Impreza WRX STI Limited\u003c\/li\u003e\n\u003cli\u003e2010 Subaru Impreza WRX STI Special Edition\u003c\/li\u003e\n\u003c\/ul\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/ce25a7ccc2161dc084101fc1174a9c35.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/00220b0f623f74772dc2c2ceed1299e0.PDF\"\u003eAdditional Documentation\u003c\/a\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does this intake system include?\u003c\/h5\u003e\u003cp\u003eAn oversized AEM Dryflow synthetic air filter, mandrel-bent aluminum intake tube, custom heat shield with factory fresh-air duct attachment, and all necessary installation hardware.\u003c\/p\u003e\u003ch5\u003eHow often does the filter need to be serviced?\u003c\/h5\u003e\u003cp\u003eUnder normal highway driving conditions, the oversized conical filter can go up to 100,000 miles between services.\u003c\/p\u003e\u003ch5\u003eWhich Subaru Impreza WRX\/STI years does this fit?\u003c\/h5\u003e\u003cp\u003e2008-2014 Subaru Impreza WRX, WRX Limited, WRX Premium, WRX STI, WRX STI Limited, and the 2010 WRX STI Special Edition. See the Vehicle Applications section for the full year-by-year breakdown.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does this intake system include?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"An oversized AEM Dryflow synthetic air filter, mandrel-bent aluminum intake tube, custom heat shield with factory fresh-air duct attachment, and all necessary installation hardware.\"}},{\"@type\":\"Question\",\"name\":\"How often does the filter need to be serviced?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under normal highway driving conditions, the oversized conical filter can go up to 100,000 miles between services.\"}},{\"@type\":\"Question\",\"name\":\"Which Subaru Impreza WRX\/STI years does this fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"2008-2014 Subaru Impreza WRX, WRX Limited, WRX Premium, WRX STI, WRX STI Limited, and the 2010 WRX STI Special Edition.\"}}]}\u003c\/script\u003e","brand":"AEM Induction","offers":[{"title":"Default Title","offer_id":41166172684336,"sku":"AEM21-478C","price":264.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/products\/90a110981a946537f51d72dadc67e74a.jpg?v=1708652184","url":"https:\/\/berryperformancesales.com\/products\/aem-cold-air-intake-2008-2014-subaru-impreza-wrx-sti-gunmetal-gray-21-478c","provider":"Berry Performance Sales","version":"1.0","type":"link"}