{"product_id":"cobb-08-21-subaru-wrx-sti-2018-type-ra-2019-s209-rear-differential-subframe-mount-bushing-inserts","title":"Cobb 08-21 Subaru WRX \u0026 STI\/2018 Type RA\/2019 S209 Rear Differential Subframe Mount Bushing Inserts","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eBCB-4297K\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 700424681044\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eCobb 08-21 Subaru WRX \u0026amp; STI\/2018 Type RA\/2019 S209 Rear Differential Subframe Mount Bushing Inserts\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eCobb Rear Differential Subframe Mount Bushing Inserts replace soft OEM rubber in the rear subframe mounts on 2008-2021 Subaru WRX and STI models, including 2018 Type RA and 2019 S209. Crafted from 95A durometer polyurethane, these inserts minimize bushing deflection to deliver precise power transfer, reduced wheel hop, and enhanced cornering stability. Drivers experience tighter chassis response and consistent launches without excessive noise or harshness.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e95A Durometer Polyurethane:\u003c\/strong\u003e Provides firm support to eliminate slop while retaining compliance for street drivability and track performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Insert Design:\u003c\/strong\u003e Fits inside existing OEM metal shells for simple replacement without full bushing removal or pressing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Wheel Hop:\u003c\/strong\u003e Locks the differential subframe to improve traction during hard acceleration and gear shifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Handling Precision:\u003c\/strong\u003e Minimizes rear-end movement for better turn-in and stability under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Resists heat, ozone, and chemicals far better than stock rubber for long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReuse OEM outer shells; inserts install with basic hand tools in about 30-45 minutes.\u003c\/li\u003e\n\u003cli\u003eCompatible with stock and aftermarket differentials; no alignment required post-install.\u003c\/li\u003e\n\u003cli\u003eSmall package ships compactly; handles standard ground shipping without issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eJack up rear of vehicle and support subframe; torque bolts to 59 ft-lbs after insert placement.\u003c\/li\u003e\n\u003cli\u003eIncludes grease for assembly; uses OEM hardware with no modifications needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003e2008-2014\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza WRX\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza WRX STI\u003c\/td\u003e\n\u003ctd\u003e\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\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003ctd\u003eType RA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003ctd\u003eS209\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Cobb?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSubaru specialists with decades of platform-specific development.\u003c\/li\u003e\n\u003cli\u003eManufactured in USA with rigorous quality testing.\u003c\/li\u003e\n\u003cli\u003eEngineered for direct fit and real-world performance gains.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 Will this fit my 2021 WRX STI?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, direct fit for all 2008-2021 WRX\/STI chassis including STI models; confirm submodel via VIN if modified.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the inserts made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e High-quality 95A durometer polyurethane, tougher than OEM rubber with better resistance to degradation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and install difficulty?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Cobb offers a 1-year warranty; DIY-friendly bolt-on install takes under 1 hour with jack stands and basic tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority\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 Compact box measuring 6\" x 4\" x 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.81 lbs (shipping)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COBB","offers":[{"title":"Default Title","offer_id":43917288177743,"sku":"COBBCB-4297K","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/cobb-08-21-subaru-wrx-sti2018-type-ra2019-s209-rear-differential-subframe-mount-bushing-inserts-cobb.jpg?v=1765844945","url":"https:\/\/www.blackopsautoworks.com\/products\/cobb-08-21-subaru-wrx-sti-2018-type-ra-2019-s209-rear-differential-subframe-mount-bushing-inserts","provider":"Black Ops Auto Works","version":"1.0","type":"link"}