Pic. 2.223. Exhaust System Components: 1 - main muffler; 2 - middle pipe; 3 - three-way catalytic converter; 4 - thermal screen of the exhaust manifold; 5 - bracket; 6 - exhaust manifold; 7 - exhaust manifold gasket; 8 - (lower) exhaust manifold heat shield; 9 - (front) oxygen concentration sensor with heating; 10 - (rear) heated oxygen sensor