2.5 LITER. Front pipe gasket. Exhaust Crossover Gasket. Gasket for Catalytic Converter System. Sealing material that connects to flange on Exhaust Pipe. Exhaust. Catalytic cnvrtr. Connector. Exhaust Crossover. FLANGE. Muffler and Amplifier. Seal. Included with: Catalytic Converter, Front Pipe, PreConverter.