{"product_id":"cobb-18-21-subaru-wrx-can-flex-fuel-upgrade-module-harness-bracket-ethanol-sensor","title":"Cobb 18-21 Subaru WRX CAN Flex Fuel Upgrade (Module\/Harness\/Bracket\/Ethanol Sensor)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eB344650\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 731946518921\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eCOBB CAN Flex Fuel Upgrade Kit – 2018-2021 Subaru WRX (FA20DIT)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe COBB 344650 Flex Fuel kit transforms 2018-2021 Subaru WRX performance by enabling full E85 use with real-time ethanol content and fuel temperature monitoring via CAN bus directly to the Accessport V3. This plug-and-play solution includes the Continental ethanol sensor, harness, firewall bracket, and fittings for the cleanest inline installation on feed or return lines. Unlock automatic blending, cold-start compensation, and precise mapping for reliable power across any fuel mix.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue CAN Bus Integration:\u003c\/strong\u003e 100% digital connection with zero latency for instant Accessport data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinental Ethanol Sensor:\u003c\/strong\u003e OEM-grade sensor measures 0-100% ethanol plus fuel temperature with proven durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLive Ethanol % \u0026amp; Fuel Temp:\u003c\/strong\u003e Real-time display on Accessport V3 for monitoring and tuning confidence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull E85 Support:\u003c\/strong\u003e Auto-blend maps and cold-start compensation handle any gasoline-E85 ratio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e CNC aluminum bracket and lifetime warranty ensure long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2018–2021 Subaru WRX FA20DIT only; requires Accessport V3 with latest firmware.\u003c\/li\u003e\n\u003cli\u003eWill NOT fit 2015–2017 WRX (use 343650) or STI models.\u003c\/li\u003e\n\u003cli\u003eIn stock – ships same or next business day in official COBB retail box.\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\u003e60–90 minute DIY install mounts inline on fuel feed or return line with -6 AN fittings.\u003c\/li\u003e\n\u003cli\u003e100% plug-and-play harness; no cutting factory wiring; Accessport auto-detects kit post-install.\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\u003e2018-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003eFA20DIT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose COBB Tuning?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e#1 name in Subaru performance for over 20 years.\u003c\/li\u003e\n\u003cli\u003eEngineered and manufactured in the USA.\u003c\/li\u003e\n\u003cli\u003eProven on every 500–800+ hp FA20 build worldwide.\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 work on my 2017 WRX?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e No, 2015–2017 WRX requires COBB 343650 kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need a custom tune?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e No, COBB provides free OTS Flex Fuel maps for immediate use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Can I run E85 immediately?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, flash the Flex Fuel map via Accessport after install for full capability.\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\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 retail box, 11.5 x 9 x 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.8 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COBB","offers":[{"title":"Default Title","offer_id":43917263110223,"sku":"COBB344650","price":1035.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/cobb-18-21-subaru-wrx-can-flex-fuel-upgrade-moduleharnessbracketethanol-sensor-cobb.jpg?v=1765843701","url":"https:\/\/www.blackopsautoworks.com\/products\/cobb-18-21-subaru-wrx-can-flex-fuel-upgrade-module-harness-bracket-ethanol-sensor","provider":"Black Ops Auto Works","version":"1.0","type":"link"}