Impreza RS Coupe AWD F4-2.5L SOHC (1999)
11. Drain engine oil. Set container under the vehicle, and remove drain plug from oil pan.
12. Disconnect connector from rear oxygen sensor.
13. Remove front and center exhaust pipe assembly.
1. Separate front and center exhaust assembly pipe from rear exhaust pipe.
CAUTION: Be careful. exhaust nine is hot.
2. Remove front and center exhaust pipe assembly from engine.
