Installation Procedure

Install a NEW catalytic converter to muffler seal, if equipped with RPOs LS4/LZ9.

Fig 1: View Of Catalytic Converter & Muffler Seal
Courtesy of GENERAL MOTORS CORP.
Install a NEW catalytic converter to muffler gasket (2), if equipped with RPO LZE.

Fig 2: Exploded View Of Catalytic Converter & Muffler Components
Courtesy of GENERAL MOTORS CORP.
Install a NEW exhaust manifold pipe gasket (1), if equipped with RPO LS4.

Fig 3: Identifying Exhaust Manifold Pipe & Gasket
Courtesy of GENERAL MOTORS CORP.
Install a NEW exhaust manifold pipe gasket (2), if equipped with RPOs LZE/LZ9.

Fig 4: Identifying Catalytic Converter Gasket
Courtesy of GENERAL MOTORS CORP.
Install the catalytic converter. Refer to Catalytic Converter Replacement (RPO LS4) or Catalytic Converter Replacement (RPOs LZE/LZ4/LZ8) .