{"product_id":"perrin-02-21-subaru-wrx-04-21-sti-air-oil-separator-black","title":"PERRIN 02-21 Subaru WRX \/ 04-21 STI Air Oil Separator - Black","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003ePSP-ENG-620BK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003ePERRIN Air Oil Separator – Black – 2002-2021 Subaru WRX \/ 2004-2021 STI\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe PERRIN PSP-ENG-620BK Air Oil Separator for 2002-2021 Subaru WRX and 2004-2021 STI. High-capacity baffled design with black anodized finish traps oil vapor, prevents blow-by contamination, reduces carbon buildup on intake valves and turbo, and maintains clean intake charge.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Baffled Design\u003c\/strong\u003e – Effectively separates oil from blow-by vapors before re-entering the intake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Anodized Finish\u003c\/strong\u003e – Premium black coating for corrosion resistance and standout engine bay appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWRX\/STI Specific\u003c\/strong\u003e – Engineered for direct fitment on 2002-2021 WRX and 2004-2021 STI models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Oil Contamination\u003c\/strong\u003e – Keeps intercooler, intake valves, and turbo clean for consistent performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e – Bolt-on replacement with all necessary hardware and fittings included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003ePSP-ENG-620BK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePERRIN Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eAir Oil Separator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack Anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003e2002-2021 Subaru WRX \/ 2004-2021 Subaru STI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003ePERRIN Limited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhats Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x PERRIN Air Oil Separator (black anodized)\u003c\/li\u003e\n\u003cli\u003eAll necessary hoses, fittings, and mounting hardware\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for 2002-2021 Subaru WRX and 2004-2021 STI models\u003c\/li\u003e\n\u003cli\u003ePrevents oil vapor from coating intake tract and turbo components\u003c\/li\u003e\n\u003cli\u003eIdeal for stock, tuned, or high-boost WRX\/STI applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBolt-on replacement for factory PCV system components\u003c\/li\u003e\n\u003cli\u003eEstimated time: 1–2 hours\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for proper hose routing and torque\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim \/ Engine\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003eAll trims\u003c\/td\u003e\n\u003ctd\u003eAir Oil Separator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eSTI\u003c\/td\u003e\n\u003ctd\u003eAll trims\u003c\/td\u003e\n\u003ctd\u003eAir Oil Separator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose PERRIN Air Oil Separators?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e#1 choice for effective blow-by separation on modern turbo Subarus\u003c\/li\u003e\n\u003cli\u003eBuilt \u0026amp; tested in the United States\u003c\/li\u003e\n\u003cli\u003eChosen by WRX\/STI owners for cleaner intake, sustained power, and signature black anodized styling\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 my 2018 Subaru WRX? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, direct fit for 2002-2021 Subaru WRX and 2004-2021 STI models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does it require tuning? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, bolt-on design works with stock ECU; gains are noticeable without tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How often should I drain it? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Drain periodically (every oil change recommended) to remove collected oil and maintain performance.\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 Ground UPS or FedEx\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 Official PERRIN retail box\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Perrin Performance","offers":[{"title":"Default Title","offer_id":45047253893199,"sku":"PERPSP-ENG-620BK","price":396.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/perrin-air-oil-separator-black-wrx-sti-front.jpg?v=1774982044","url":"https:\/\/www.blackopsautoworks.com\/products\/perrin-02-21-subaru-wrx-04-21-sti-air-oil-separator-black","provider":"Black Ops Auto Works","version":"1.0","type":"link"}