Muffler Replacement (Dual Outlet)

Muffler Replacement (Dual Outlet)

Removal Procedure

Important: The muffler is serviced as a complete assembly and cannot be serviced separately.







1. Remove the catalytic converter. Refer toCatalytic Converter Replacement (LS4) (Service and Repair)Catalytic Converter Replacement (RPOs LZE/LZ4/LZ8) (Service and Repair) .
2. Support the exhaust system.
3. With the aid of an assistant, remove the exhaust system from the exhaust hangers.
4. Clean the catalytic converter and the muffler mating surfaces.



Installation Procedure





1. With the aid of an assistant, install the muffler to the exhaust hangers.
2. Remove the support from the exhaust system.
3. Install the catalytic converter. Refer to Catalytic Converter Replacement (LS4) (Service and Repair)Catalytic Converter Replacement (RPOs LZE/LZ4/LZ8) (Service and Repair) .