The Cobb 15-21 Subaru WRX / 14-18 Forester XT Silicone Radiator Hose Kit from COBB is engineered to deliver reliable, performance-grade function as a intercooler ducting upgrade, designed for 2015-2021 Subaru WRX. Part number B43400-BK. Built to COBB's quality standards for enthusiasts and daily drivers alike. See the fitment table below to confirm compatibility with your vehicle.
