Installation Procedure
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 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 (With LU3) or Catalytic Converter Replacement (With V8 Engine) or Catalytic Converter Replacement (With LMM) .