Unspecified [Compatible model] Impreza TA-GDA Impreza Sport Wagon TA-GGA / GH-GGB Applied A / B type Year: H12 / 8-H14 / 10 Impreza WRX STI GH-GDB Applied A to D type (common to spec C) Year: H12 / 10-H16 / 6 Engine model: EJ20 Detailed part number: 280-63031 Exit Φ99 single straight shape (with holes) Main pipe diameter: Φ76.3 Wagon: Cannot be installed on vehicles with rear under spoiler GDB C / D type requires floor shield bending at the time of installation. There are rust, burns, scratches, and dents. Exit rust stands out secure It may not meet safety standards