Installation Procedure
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Install the NEW appropriate exhaust seal (1 or 2). (1500 series shown, 2500 series similar).
- Install the catalytic converter. Refer to Catalytic Converter Replacement (4.3L) or Catalytic Converter Replacement (4.8L, 5.3L, 6.0L, 6.2L) or Catalytic Converter Replacement (6.6L) .