Front Exhaust Pipe: Installation

Install the front oxygen (A/F) sensor and rear oxygen sensor. Refer to FRONT OXYGEN (A/F) SENSOR INSTALLATION, Front Oxygen (A/F) Sensor.
Install the front exhaust pipe (RH) to the front exhaust pipe (LH).
NOTE: Use a new gasket.

Tightening torque:

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

Fig 1: Locating Front Exhaust Pipe (RH)
Courtesy of SUBARU OF AMERICA, INC.
Install the front exhaust pipe assembly.
NOTE: Use a new gasket.
Temporarily tighten the nuts which hold front exhaust pipe assembly to cylinder heads.

Fig 2: Locating Nuts Which Hold Front Exhaust Pipe Assembly To Cylinder Heads
Courtesy of SUBARU OF AMERICA, INC.
Install the front exhaust pipe assembly to the rear 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 Nuts
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolts which hold front exhaust pipe assembly to hanger bracket.
Tightening torque:

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

Fig 4: Locating Bolt Which Holds Front Exhaust Pipe Assembly To Hanger Bracket
Courtesy of SUBARU OF AMERICA, INC.
Tighten the nuts which the hold front exhaust pipe assembly to cylinder heads.
Tightening torque:

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

Fig 5: Locating Nuts Which Hold Front Exhaust Pipe Assembly To Cylinder Heads
Courtesy of SUBARU OF AMERICA, INC.
Connect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B).

Fig 6: Identifying Front Oxygen (A/F) Sensor Connector And Rear Oxygen Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the under cover. Refer to FRONT UNDER COVER INSTALLATION, Front Under Cover.
Lower the vehicle.
Connect the battery ground terminal.