The Cobb 15-17 Subaru WRX Previous Ethanol Sensor Kit to Subaru CAN FF Upgrade (Module/Harness/Bracket) from COBB is engineered to deliver reliable, performance-grade function as a flex fuel kit upgrade, designed for 2015-2017 Subaru WRX. Part number 343650-UP. Built to COBB's quality standards for enthusiasts and daily drivers alike. See the fitment table below to confirm compatibility with your vehicle.
