Left.3.6 LITER. Left.COUPE. lower. Exhaust Pipe Connector Gasket. Gasket for Catalytic Converter System. Gasket for Exhaust Muffler. Sealing material that connects to flange on Exhaust Pipe. and. and Amplifier. Catalytic cnvrtr. Exhaust Connector. Flange. Manifold. Mnfd w/. Pre. Included with: Catalytic Converter, Converter, Converter & Pipe, Exhaust Pipe, Manifold with Converter.