Front Exhaust Pipe: Installation

WARNING: This page is about a different variant/trim than selected.

Install the front oxygen (A/F) sensor and rear oxygen sensor to the front exhaust pipe. Refer to FRONT OXYGEN (A/F) SENSOR and REAR OXYGEN SENSOR .
Install the center exhaust pipe to front exhaust pipe.
NOTE: Use a new gasket.

Tightening torque:

40 N.m (4.1 kgf-m, 29.5 ft-lb)

Fig 1: Locating Center Exhaust Pipe
Courtesy of SUBARU OF AMERICA, INC.
Install the front exhaust pipe and center exhaust pipe as a unit to the vehicle.
NOTE: Use a new gasket.
Temporarily tighten the nuts which hold front exhaust pipe to cylinder heads.

Fig 2: Locating Front Exhaust Pipe Mounting Nuts
Courtesy of SUBARU OF AMERICA, INC.
Install the rear exhaust pipe to center exhaust pipe.
NOTE: Use a new gasket.

Tightening torque:

18 N.m (1.8 kgf-m, 13.3 ft-lb)

Fig 3: Locating Rear Exhaust Pipe (Except C6)
Courtesy of SUBARU OF AMERICA, INC.

Fig 4: Locating Rear Exhaust Pipe (C6 model)
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolts which secure the center exhaust pipe to the hanger bracket.
Tightening torque:

35 N.m (3.6 kgf-m, 25.8 ft-lb)

Fig 5: Locating Center Exhaust Pipe Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Tighten the nuts which hold front exhaust pipe to cylinder heads.
Tightening torque:

30 N.m (3.1 kgf-m, 22.1 ft-lb)

Fig 6: Locating Front Exhaust Pipe Mounting Nuts
Courtesy of SUBARU OF AMERICA, INC.
Install the under cover. Refer to FRONT UNDER COVER .
Lower the vehicle.
Connect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B), and fasten the harness with the clip (C).

Fig 7: Identifying Front Oxygen (A/F) Sensor Connector, Rear Oxygen Sensor Connector And Clip
Courtesy of SUBARU OF AMERICA, INC.
Connect the battery ground terminal.

Fig 8: Identifying Battery Ground Terminal
Courtesy of SUBARU OF AMERICA, INC.
Install the air intake duct. Refer to AIR INTAKE DUCT .