The DFC brake hose for 2013–2021 Subaru WRX STI (front left) is a vehicle-specific replacement line for the left front brake circuit. It’s intended for service or repair when original hoses are worn or leaking, restoring correct hydraulic connection and routing. Install this hose to maintain proper brake operation and fitment on the listed WRX STI front axle applications.
DFC 13-21 Subaru WRX STI Front-L Brake Hose