Front Exhaust Pipe: Installation

Install the front oxygen (A/F) sensor and the rear oxygen sensor. Refer to INSTALLATION , Front Oxygen (A/F) Sensor and INSTALLATION , Rear Oxygen Sensor.
Install the front exhaust pipe to center exhaust pipe.
NOTE: Replace the gaskets with new ones.

Tightening torque:
1. 30 N.m (3.1 kgf-m, 22.4 ft-lb)
Fig 1: Installing Front Exhaust Pipe
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Install the front and center exhaust pipe assembly to vehicle.
Temporarily tighten the bolt which installs front and center exhaust pipe assembly to hanger bracket.

Fig 2: Tightening Front And Center Exhaust Pipe Assembly Bolt
Courtesy of SUBARU OF AMERICA, INC.
Tighten the nuts which hold front exhaust pipe onto cylinder heads.
Tightening torque:
1. 30 N.m (3.1 kgf-m, 22.4 ft-lb)
Fig 3: Tightening Front Exhaust Pipe Nut
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Install the under cover.
Tighten the bolts which install front and center exhaust pipe assembly to rear exhaust pipe.
Tightening torque:
1. 18 N.m (1.8 kgf-m, 13.0 ft-lb)
Fig 4: Tightening Front & Center Exhaust Pipe Assembly Bolt
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolt which holds front and center exhaust pipe assembly to hanger bracket.
Tightening torque:
1. 35 N.m (3.6 kgf-m, 26.0 ft-lb)
Fig 5: Tightening Front & Center Exhaust Pipe Assembly Bolt
Courtesy of SUBARU OF AMERICA, INC.
Lower the vehicle.
Connect the rear oxygen sensor connector.

Fig 6: Connecting Rear Oxygen Sensor Connector
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Connect the front oxygen (A/F) sensor connector.

Fig 7: Connecting Front Oxygen (A/F) Sensor Connector
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Connect the battery ground cable to battery.

Fig 8: Connecting Battery Ground Cable To Battery
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