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Section 168 (General Information): Specifications: IMPREZA: Brake

WARNING: This page is about a different car, the 2008 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
BRAKE SPECIFICATION

Model 2.5 i OUTBACK, WRX
Service brake system Dual circuit hydraulic with vacuum suspended power unit
Front Ventilated disc brake
Rear Drum brake (OP: Disc brake) Disc brake
Parking brake Mechanical on rear brakes