{"product_id":"k-n-high-flow-engine-air-filter-for-2016-2026-subaru-33-5064-washable-reusable-increases-airflow","title":"K\u0026N High-Flow Engine Air Filter for 2016–2026 Subaru (33-5064) — Washable, Reusable, Increases Airflow","description":"\u003cp\u003e\u003cstrong\u003eThe K\u0026amp;N High-Flow Original Lifetime Engine Air Filter (33-5064) is a washable, reusable replacement filter engineered to increase airflow and maintain long-term engine performance for many 2016–2026 Subaru models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you drive a Subaru Ascent, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, or XV from the model years listed, this K\u0026amp;N filter is designed as a direct-fit upgrade that drops into your factory airbox with minimal effort. Unlike single-use paper filters, the K\u0026amp;N element uses multiple layers of oiled cotton gauze to boost airflow while still trapping contaminants. The result is improved throttle response and potential power preservation without frequent replacements, plus a lifetime limited warranty and reduced filter waste.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this K\u0026amp;N filter improve engine airflow and performance?\u003c\/h3\u003e\n\u003cp\u003eThe 33-5064 uses a multi-layer cotton gauze media treated to promote high flow while capturing dirt particles. Increased airflow can enhance throttle responsiveness and support engine efficiency under load without changing your vehicle’s ECU.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUp to 50% more airflow compared with typical paper filters (engine-dependent).\u003c\/li\u003e\n  \u003cli\u003eFour layers of cotton gauze create a fine, porous mesh for filtration and flow balance.\u003c\/li\u003e\n  \u003cli\u003ePrecision-shaped to match the factory airbox for optimal fit and seal.\u003c\/li\u003e\n  \u003cli\u003ePre-oiled at the factory to provide immediate filtration performance after install.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often will I need to clean or service the filter?\u003c\/h3\u003e\n\u003cp\u003eK\u0026amp;N recommends cleaning under normal highway driving every 75,000 miles, which translates to roughly once every five years for many drivers. Heavy dust, off-road use, or extreme climates require more frequent inspection and earlier cleaning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical cleaning interval: up to 75,000 miles in average highway conditions.\u003c\/li\u003e\n  \u003cli\u003eShorter intervals advised in dusty or off-road environments.\u003c\/li\u003e\n  \u003cli\u003eSimple cleaning kit available from K\u0026amp;N for step-by-step care.\u003c\/li\u003e\n  \u003cli\u003eReusable design reduces landfill waste versus disposable filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation complicated and will it fit my Subaru model?\u003c\/h3\u003e\n\u003cp\u003eThe 33-5064 is manufactured as a direct-fit replacement for multiple Subaru model years and typically installs in minutes. No special tools or modifications are needed when replacing the stock air filter with this K\u0026amp;N element.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit for many 2016–2026 Subaru vehicles (Ascent, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, XV).\u003c\/li\u003e\n  \u003cli\u003eDesigned to drop into the existing factory airbox—no trimming or adapters required.\u003c\/li\u003e\n  \u003cli\u003ePre-oiled and ready to use immediately after installation.\u003c\/li\u003e\n  \u003cli\u003eInstallation can usually be completed during routine maintenance or oil changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and warranty coverage does this filter provide?\u003c\/h3\u003e\n\u003cp\u003eK\u0026amp;N constructs its filters with durable materials and offers a limited 10-year\/million-mile warranty on many products, reflecting the design intent for long service life. The washable, reusable construction is meant to outlast multiple disposable filters and reduce replacement costs over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt with premium materials and reinforced construction for long service life.\u003c\/li\u003e\n  \u003cli\u003eBacked by K\u0026amp;N’s limited lifetime support and well-known warranty coverage.\u003c\/li\u003e\n  \u003cli\u003eMade in the USA quality control for consistent fit and finish.\u003c\/li\u003e\n  \u003cli\u003eEco-friendly: one K\u0026amp;N filter can replace numerous disposable filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The K\u0026amp;N 33-5064 suits Subaru owners who want a maintenance-friendly performance upgrade without altering engine electronics. It’s a practical choice for daily drivers seeking improved airflow, drivers who want to reduce recurring filter purchases, and enthusiasts who prefer durable, tested filtration crafted to fit their factory airbox. If you regularly drive in dusty conditions or demand maximum longevity from vehicle components, this washable K\u0026amp;N element is engineered to meet those needs while being simple to install and maintain.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this filter fit my 2018 Crosstrek?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 33-5064 is listed as a direct-fit for Crosstrek models in the 2018–2026 compatibility range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often must I replace this K\u0026amp;N air filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You don’t replace it—cleaning is recommended about every 75,000 miles under normal highway driving; heavy dust requires more frequent care.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":55170138669399,"sku":"B075TKKCTM","price":74.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/kn-front-view-packaging-33-5064.jpg?v=1790423928","url":"https:\/\/britishgarage.co.uk\/products\/k-n-high-flow-engine-air-filter-for-2016-2026-subaru-33-5064-washable-reusable-increases-airflow","provider":"British Garage","version":"1.0","type":"link"}