Installation [10/2022 - ]: Procedure

1. Install a new gasket to the front exhaust pipe assembly (TWC: Rear Catalyst).
2. Connect the front exhaust pipe assembly (TWC: Rear Catalyst) to the 2 exhaust pipe supports.
3. Install the front exhaust pipe assembly (TWC: Rear Catalyst) to the exhaust manifold (TWC: Front Catalyst) with 2 new nuts.

   Torque: 43 N.m (438 kgf/cm, 32 ft.lbf) 

4. w/ Exhaust Heat Recirculation:
   1. Connect the outlet heater water hose D and inlet heater water hose D to the No. 2 outlet water pipe and inlet water pipe and slide the 2 clips to secure them.
      NOTE:

      When installing the outlet heater water hose D and inlet heater water hose D, ensure that the exhaust heat recirculation system is filled with coolant. Otherwise, the engine water pump assembly may be damaged.

Refer to INSTALLATION [12/2019 - ]

1. Install a new gasket to the front exhaust pipe assembly (TWC: Rear Catalyst).
2. Connect the tail exhaust pipe assembly to the 4 exhaust pipe supports.
3. Install the tail exhaust pipe assembly to the front exhaust pipe assembly (TWC: Rear Catalyst) with 2 new bolts.

   Torque: 43 N.m (438 kgf/cm, 32 ft.lbf) 

w/ Exhaust Heat Recirculation:

Refer to PROCEDURE - Step 2

w/ Exhaust Heat Recirculation:

Refer to PROCEDURE - Step 1

If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.

1. Perform "Inspection After Repair" after repairing an exhaust gas leak.

   Refer to INITIALIZATION [10/2021 - ]