EXHAUST SYSTEM. EXHAUST COMPONENTS. 3. 6 liter. ALL. Center. Front. Lower. Rear. SEDAN. Upper. w/AWD. w/o AWD. w/o PZEV. w/PZEV.. 2004 Cadillac

3.6 LITER. Left.SEDAN. lower. Exhaust Crossover Gasket. Exhaust Pipe to Manifold Gasket. Gasket for Catalytic Converter System. Gasket for Exhaust Muffler. Sealing material that connects to flange on Exhaust Pipe. Manifold. Catalytic cnvrtr. Connector. Converter. Converter and Amplifier. Crossover. FLANGE. Muffler. Included with: Converter & Pipe.