{"product_id":"cobb-15-20-subaru-wrx-air-oil-separator","title":"Cobb 15-20 Subaru WRX Air Oil Separator","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eB843615\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 700424680320\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCobb 2015-2021 Subaru WRX Air Oil Separator\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Cobb Air Oil Separator mounts near the turbo on 2015-2021 Subaru WRX models to trap oil vapors from the PCV and brake booster systems before they reach the intake tract. This keeps the intercooler and piping clean for consistent boost and power delivery. Direct-fit design installs in under an hour with no cutting or permanent modifications.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet 6061-T6 Aluminum Body:\u003c\/strong\u003e Lightweight at 1.4 lbs yet robust for track or street use, with black anodized finish and laser-etched Cobb logo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Check Valve:\u003c\/strong\u003e Retains full boost pressure in the crankcase while allowing oil-laden vapors to separate efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4AN Nylon Braided Hoses:\u003c\/strong\u003e High-flow fittings and durable lines rated for extreme boost levels up to 30 psi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-Access Drain Valve:\u003c\/strong\u003e Ball-valve design for quick oil emptying without tools, sight tube shows fill level instantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Bolt-On Kit:\u003c\/strong\u003e Includes custom bracket, all hardware, fittings, and hoses for plug-and-play fitment on VA-chassis WRX.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDrain separator every 1,000-3,000 miles or after track days depending on driving style.\u003c\/li\u003e\n\u003cli\u003eClean internal baffles periodically for peak separation performance.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003e30-60 minute install using basic hand tools remove stock PCV hose and brake booster line.\u003c\/li\u003e\n\u003cli\u003eBracket mounts to factory valve cover location no drilling required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Cobb?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDecades of Subaru tuning expertise with millions of Accessport installations worldwide.\u003c\/li\u003e\n\u003cli\u003eMade in USA with dyno-proven designs for real-world power gains.\u003c\/li\u003e\n\u003cli\u003eCNC-machined components ensure exact fit and leak-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this fit 2021 WRX models?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, fully compatible with all 2015-2021 VA-chassis Subaru WRX including Base, Premium, and Limited trims with EJ255 FA20F engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is the separator made from?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Precision-machined billet 6061-T6 aluminum with black anodizing for corrosion resistance and a factory-style appearance under the hood.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and install difficulty?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Backed by Cobb's limited lifetime warranty straightforward bolt-on process takes 30-60 minutes for DIYers with basic tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure foam-protected box, 12 x 8 x 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COBB","offers":[{"title":"Default Title","offer_id":43917278314575,"sku":"COBB843615","price":610.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/cobb-15-20-subaru-wrx-air-oil-separator-cobb-3.jpg?v=1765923737","url":"https:\/\/www.blackopsautoworks.com\/products\/cobb-15-20-subaru-wrx-air-oil-separator","provider":"Black Ops Auto Works","version":"1.0","type":"link"}