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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Exhaust System (Except For STI)) >> Center Exhaust Pipe >> Removal

Center Exhaust Pipe: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Remove the collector cover. Ref. to INTAKE (INDUCTION) (EXCEPT FOR STI)>Collector Cover>REMOVAL .
  2. Disconnect the ground terminal from battery sensor. Ref. to NOTE>NOTE>BATTERY .
  3. Lift up the vehicle.
  4. Remove the under cover. Ref. to EXTERIOR/INTERIOR TRIM>Front Under Cover>REMOVAL .
  5. Disconnect the connector on the front oxygen (A/F) sensor from the engine wiring harness, and remove the clip (A) which secures the front oxygen (A/F) sensor harness to the water pump pulley cover.
    G09480660
  6. Disconnect the connector on the rear oxygen sensor from the engine wiring harness, and disconnect the ground cable from the exhaust pipe cover.
    G10267114
  7. Lower the vehicle.
  8. Remove the bolts which secure the water pump pulley cover (A) and exhaust pipe stay (B) to the turbocharger stay, and remove the water pump pulley cover (A) and exhaust pipe stay (B) from the water pump and turbocharger stay.
    G09480704
  9. Lift up the vehicle.
  10. Remove the nuts which secure the center exhaust pipe (rear) to the center exhaust pipe (front).
    G10267117
  11. Remove the bolts, springs, and nuts which secure the rear exhaust pipe to the center exhaust pipe (rear).
    G09480665
  12. Remove the bolt which holds center exhaust pipe (rear) to the hanger bracket, and remove the center exhaust pipe (rear).
    NOTE: For CVT model, removing the exhaust pipe bracket from the center exhaust pipe (rear) will adversely affect the positioning accuracy. Therefore, Do Not remove the bolts in section (a) shown in the figure.
    • CVT model
      G10267119
    • MT model
      G10267120
  13. Remove the exhaust pipe cover (A) from the center exhaust pipe (front), and remove the bolts which secure the turbocharger stay.
    G09480708
  14. Using ST, remove the nut (1 place) which secures the center exhaust pipe (front) to the turbocharger.

    ST 18283AA010

    WRENCH ADAPTER

    G09480709
  15. Remove the nuts (3 places) which secure the center exhaust pipe (front) to the turbocharger.
    G09480710
  16. Using the TORX. socket E10, remove stud bolts (3 places) from the turbocharger, and remove the center exhaust pipe (front) together with turbocharger stay (A).
    G09480711
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