Impreza WRX STI F4-2.5L Turbo (2008)
6) Install the center exhaust pipe to rear exhaust pipe.
NOTE: Use a new gasket.
7) Connect the connector to the rear oxygen sensor, and install the clip (A) holding the rear oxygen sensor harness.
8) Tighten the bolt which holds center exhaust pipe bracket to transmission.
9) Tighten the bolt which holds center exhaust pipe to hanger bracket.
