{"product_id":"k-n-replacement-air-filter-10-188in-o-s-length-x-6-375in-o-s-width-x-1-063in-h-for-12-honda-civic-si","title":"K\u0026N Replacement Air Filter 10.188in L x 6.375in W x 1.063in H — Fits 12-15 Honda Civic Si, 13-15 Acura ILX","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout K\u0026amp;N Engineering\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eK\u0026amp;N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K\u0026amp;N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eUnleash More Power with the K\u0026amp;N High-Flow Replacement Air Filter for Your Honda or Acura\u003c\/h2\u003e\n\u003cp\u003eElevate your driving experience with the K\u0026amp;N High-Flow Replacement Air Filter, engineered to deliver superior performance for your Honda Civic Si or Acura ILX. This premium air filter utilizes K\u0026amp;N's signature layered, oiled cotton media, designed to maximize airflow into your engine while efficiently trapping harmful contaminants. The result is a tangible increase in horsepower and improved throttle response.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose K\u0026amp;N for Your Performance Needs?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Airflow:\u003c\/strong\u003e The advanced filtration media allows for a greater volume of air to reach the combustion chamber, boosting engine efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerformance Gains:\u003c\/strong\u003e Experience a noticeable improvement in acceleration and overall power output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Lasting and Economical:\u003c\/strong\u003e This filter is washable and reusable, providing a sustainable and cost-effective alternative to disposable filters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Design:\u003c\/strong\u003e Constructed for durability, it's built to endure the rigors of both daily driving and spirited performance use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHassle-Free Installation:\u003c\/strong\u003e As a direct factory replacement, it installs easily into your vehicle's existing airbox without requiring special tools or modifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Protection:\u003c\/strong\u003e Effectively filters out dirt and debris, ensuring the longevity and health of your engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe K\u0026amp;N air filter, part number 33-2473, is precision-engineered for models such as the 2012-2015 Honda Civic Si and the 2013-2015 Acura ILX. It also fits select Acura NSX models. With approximate dimensions of 10.188 inches in length, 6.375 inches in width, and 1.063 inches in height, it’s designed for a perfect fit. Backed by K\u0026amp;N's renowned 10-Year\/Million Mile Limited Warranty, this filter represents a smart investment in your vehicle's performance and longevity. Get the ultimate airflow upgrade at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 8px;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.92em;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f0f0f0;text-align:left;\"\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2013-2015\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eAcura\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eILX\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2017-2021\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eAcura\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eNSX\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eAcura\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eNSX\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eType S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2012-2015\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eHonda\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eCivic\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular K\u0026amp;N Engineering products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/k-n-custom-racing-assembly-carbon-fiber-air-box-w-o-base-large\" style=\"color:#0066cc;text-decoration:none;\"\u003eK\u0026amp;N Custom Racing Assembly Carbon Fiber Air Box - Large\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/k-n-custom-racing-assembly-carbon-fiber-air-box-large-solid-base-only\" style=\"color:#0066cc;text-decoration:none;\"\u003eK\u0026amp;N Custom Racing Assembly Carbon Fiber Air Box - Large Solid Base\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/k-n-custom-racing-assembly-carbon-fiber-4in-air-box-w-o-base-large\" style=\"color:#0066cc;text-decoration:none;\"\u003eK\u0026amp;N 100-8591 Custom Racing Carbon Fiber Air Box - Large\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/k-n-custom-racing-air-filter-rectangular-carbon-fiber-4in-air-box-w-2-75in-air-horn\" style=\"color:#0066cc;text-decoration:none;\"\u003eK\u0026amp;N 100-8593 Custom Racing Air Filter - Carbon Fiber 4in Air Box w\/ 2.75in Air Horn\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/k-n-ford-gm-dodge-throttle-control-module\" style=\"color:#0066cc;text-decoration:none;\"\u003eK\u0026amp;N 20-1000 Throttle Control Module — Fits Ford, GM, Dodge\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"K\u0026N Replacement Air Filter 10.188in L x 6.375in W x 1.063in H \\u2014 Fits 12-15 Honda Civic Si, 13-15 Acura ILX\",\"description\":\"Enhance your Honda Civic Si or Acura ILX with a K\u0026N High-Flow Replacement Air Filter. Easy install, washable, reusable. Get yours at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"K\u0026N Engineering\"},\"mpn\":\"33-2473\",\"url\":\"https:\/\/ggcracing.com\/products\/k-n-replacement-air-filter-10-188in-o-s-length-x-6-375in-o-s-width-x-1-063in-h-for-12-honda-civic-si\",\"offers\":{\"@type\":\"Offer\",\"price\":\"64.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/k-n-replacement-air-filter-10-188in-o-s-length-x-6-375in-o-s-width-x-1-063in-h-for-12-honda-civic-si\",\"sku\":\"KNN33-2473\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Intake\",\"item\":\"https:\/\/ggcracing.com\/collections\/intake\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"K\u0026N Engineering\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=K\u0026N+Engineering\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"K\u0026N Replacement Air Filter 10.188in L x 6.375in W x 1.063in H \\u2014 Fits 12-15 Honda Civic Si, 13-15 Acura ILX\",\"item\":\"https:\/\/ggcracing.com\/products\/k-n-replacement-air-filter-10-188in-o-s-length-x-6-375in-o-s-width-x-1-063in-h-for-12-honda-civic-si\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the K\u0026N Replacement Air Filter 10.188in L x 6.375in W x 1.063in H \\u2014 Fits 12-15 Honda fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Use the fitment table above to confirm.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for K\u0026N Engineering?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the K\u0026N Replacement Air Filter 10.188in L x 6.375in W x 1.063in H \\u2014 Fits 12-15 Honda?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cold air intakes typically install in 30-60 minutes with basic hand tools. No tuning required for most plug-and-play kits.\"}}]}\u003c\/script\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":41454954709076,"sku":"KNN33-2473","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/5ef1d69f05ab9cfe15ccac016aafa8c8.jpg?v=1721669702","url":"https:\/\/ggcracing.com\/en-co\/products\/k-n-replacement-air-filter-10-188in-o-s-length-x-6-375in-o-s-width-x-1-063in-h-for-12-honda-civic-si","provider":"GGCRACING INC","version":"1.0","type":"link"}