{"product_id":"cobb-subaru-top-feed-1050x-fuel-injectors","title":"Cobb Subaru Top Feed 1050X Fuel Injectors","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eB312150\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 700424675418\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eCOBB 1050x Top-Top-Feed Fuel Injectors (Set of 4) – Subaru WRX\/STI\/FXT\/LGT (All EJ \u0026amp; FA20 2002-2021)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe COBB 312150 1050x set delivers 1050 cc\/min flow at 43.5 psi for Subaru EJ20\/EJ25 (WRX, STI, Forester XT, Legacy GT) and FA20DIT (2015-2021 WRX) engines. These injectors provide precise atomization and linearity up to 95% duty cycle, powering 500-600+ whp on E85 or 650+ whp on race gas. Direct plug-and-play installation uses the factory harness with full Accessport calibration data included.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1050 cc\/min @ 43.5 psi:\u003c\/strong\u003e True measured flow rate (1100 lb\/hr equivalent) for reliable high-horsepower fueling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Idle \u0026amp; Part-Throttle:\u003c\/strong\u003e Maintains consistent performance without stumbling, even on E85 blends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Fit:\u003c\/strong\u003e Top-feed design with 11 mm bore and USCAR connector matches Subaru factory setup—no adapters required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Data Included:\u003c\/strong\u003e Characterization sheets enable seamless Accessport off-the-shelf or custom tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Flow-matched set with lifetime warranty against defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFits all top-feed EJ20\/EJ25 and FA20DIT Subarus—no modifications needed.\u003c\/li\u003e\n\u003cli\u003eReplace o-rings with new ones and use assembly lube for leak-free operation.\u003c\/li\u003e\n\u003cli\u003eFully insured shipping in official COBB box with foam protection.\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\u003e30-minute DIY: Remove fuel rail, swap injectors, reinstall with new o-rings.\u003c\/li\u003e\n\u003cli\u003eRequires Accessport with 1050x map for tuning—OTS maps available from COBB.\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\u003e2002-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX\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\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eSTI\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\u003eBase \/ Premium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2013\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eForester\u003c\/td\u003e\n\u003ctd\u003eXT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2009\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eLegacy\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2009\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eOutback\u003c\/td\u003e\n\u003ctd\u003eXT\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\u003eProven reliability in Subaru tuning community for over 10 years.\u003c\/li\u003e\n\u003cli\u003eEvery set individually flow-tested and data-logged in the USA.\u003c\/li\u003e\n\u003cli\u003ePowers all COBB Protune record holders from 600-1000+ whp.\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 these fit my 2018 STI?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, direct drop-in for all EJ25 top-feed and FA20DIT WRX\/STI models 2002-2021.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need a tune?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, pair with COBB Accessport—free 1050x off-the-shelf maps provided.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What about warranty?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime against defects, backed by US manufacturing and rigorous testing.\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\/FedEx Ground – fully insured\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 COBB box with foam inserts (9 x 7 x 3 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.65 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COBB","offers":[{"title":"Default Title","offer_id":43917262225487,"sku":"COBB312150","price":625.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/cobb-subaru-top-feed-1050x-fuel-injectors-cobb.jpg?v=1765843671","url":"https:\/\/www.blackopsautoworks.com\/products\/cobb-subaru-top-feed-1050x-fuel-injectors","provider":"Black Ops Auto Works","version":"1.0","type":"link"}