{"product_id":"afe-magnum-flow-pro-dry-s-oe-air-filter-08-21-subaru-wrx-sti-31-10161","title":"aFe Power Magnum FLOW Pro DRY S OE Replacement Air Filter — 2008-2021 Subaru WRX \u0026 STI Turbo Boxer | Pro DRY S | 31-10161","description":"\u003cp\u003eThe aFe 31-10161 is a Magnum FLOW Pro DRY S non-oiled OE-replacement air filter for the 2008-2021 Subaru WRX and WRX STI with the turbocharged boxer engine. It also fits select 2.5L Subaru Impreza, Forester, Legacy and Outback models. It drops into the factory air box and uses washable, reusable non-oiled synthetic media to increase airflow over the disposable factory filter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: OE-replacement air filter\u003c\/li\u003e\n\u003cli\u003eMedia: Pro DRY S synthetic non-oiled, washable and reusable\u003c\/li\u003e\n\u003cli\u003eFit: drops into the factory air box, no modification\u003c\/li\u003e\n\u003cli\u003eApplication: 2008-2021 Subaru WRX and STI turbo boxer, plus select 2.5L Impreza\/Forester\/Legacy\/Outback\u003c\/li\u003e\n\u003cli\u003eQuantity: each\u003c\/li\u003e\n\u003cli\u003ePart number: 31-10161\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2008-2021 Subaru WRX, turbocharged boxer\u003c\/li\u003e\n\u003cli\u003e2008-2021 Subaru WRX STI, turbocharged boxer\u003c\/li\u003e\n\u003cli\u003eSelect 2.5L Subaru Impreza, Forester, Legacy and Outback (confirm year)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat is the aFe 31-10161?\u003c\/h5\u003e\u003cp\u003eIt is a washable Pro DRY S non-oiled OE-replacement air filter that drops into the factory air box of the 2008-2021 Subaru WRX and STI.\u003c\/p\u003e\u003ch5\u003eWhat does it fit?\u003c\/h5\u003e\u003cp\u003eIt fits the 2008-2021 Subaru WRX and WRX STI turbo boxer, and also select 2.5L Subaru Impreza, Forester, Legacy and Outback models. Confirm your exact year and model against the aFe application listing before ordering.\u003c\/p\u003e\u003ch5\u003eIs it reusable?\u003c\/h5\u003e\u003cp\u003eYes. It is a washable non-oiled filter that can be cleaned and reused.\u003c\/p\u003e\u003ch5\u003eHow is it different from the 30-10161?\u003c\/h5\u003e\u003cp\u003eThe 31-10161 uses Pro DRY S non-oiled media; the 30-10161 uses Pro 5R oiled media. Both fit the same Subaru models.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the aFe 31-10161?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is a washable Pro DRY S non-oiled OE-replacement air filter that drops into the factory air box of the 2008-2021 Subaru WRX and STI.\"}}, {\"@type\": \"Question\", \"name\": \"What does it fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It fits the 2008-2021 Subaru WRX and WRX STI turbo boxer, and also select 2.5L Subaru Impreza, Forester, Legacy and Outback models. Confirm your exact year and model against the aFe application listing before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Is it reusable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. It is a washable non-oiled filter that can be cleaned and reused.\"}}, {\"@type\": \"Question\", \"name\": \"How is it different from the 30-10161?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 31-10161 uses Pro DRY S non-oiled media; the 30-10161 uses Pro 5R oiled media. Both fit the same Subaru models.\"}}]}\u003c\/script\u003e","brand":"aFe Power","offers":[{"title":"Default Title","offer_id":42750497161264,"sku":"BKJC_31-10161","price":76.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/AFE31-10161.jpg?v=1770180913","url":"https:\/\/berryperformancesales.com\/products\/afe-magnum-flow-pro-dry-s-oe-air-filter-08-21-subaru-wrx-sti-31-10161","provider":"Berry Performance Sales","version":"1.0","type":"link"}