4WD. A component which prevents a leak at the Exhaust Pipe. Calif. Exc.Japan Built. Exhaust Crossover Gasket. Exhaust Manifold Flange Gasket. Exhaust Pipe Connector Gasket. Exhaust Pipe to Manifold Gasket. Federal. Gasket for Catalytic Converter System. Japan Built. Part cannot be reused/reinstalled. Sealing material that connects to Flange on Exhaust Pipe.