Front Exhaust Pipe: Installation

Install the front oxygen (A/F) sensor and rear oxygen sensor to the front exhaust pipe. Ref. to INSTALLATION , Front Oxygen (A/F) Sensor. Ref. to INSTALLATION , Rear Oxygen Sensor.
Install the front exhaust pipe to the center exhaust pipe.
NOTE: Use a new gasket.

Tightening torque:

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

Fig 1: Locating Front Exhaust Pipe Bolts
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 Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the center exhaust pipe to rear exhaust pipe.
NOTE: Use a new gasket.

Tightening torque:

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

Fig 3: Disconnecting Center Exhaust Pipe From Rear Exhaust Pipe
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolts which hold center exhaust pipe to hanger bracket.
Tightening torque:

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

Fig 4: Identifying Hanger Bracket
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 5: Locating Front Exhaust Pipe Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the under cover. Ref. to INSTALLATION , 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 6: Identifying Front Oxygen (A/F) Sensor Connector And Rear Oxygen Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Connect the ground cable to battery.

Fig 7: Identifying Battery Ground Cable
Courtesy of SUBARU OF AMERICA, INC.
Install the air intake duct. Ref. to INSTALLATION , Air Intake Duct.