How did Wuling Hong Guang's exhaust hose change?

1. Disconnect and remove the rear heated oxygen sensor, and remove the front nut and gasket from the catalytic converter.

2. Remove the front lower exhaust pipe bracket, and remove the front exhaust pipe from the front upper exhaust pipe mounting bracket.

3. Remove the front exhaust pipe from the lifting ring at the joint of the front exhaust pipe flange and the third muffler flange, and remove the nut that fixes the front exhaust pipe flange to the third muffler flange.

4. Remove the front exhaust pipe and gasket, and clean the sealing surfaces of the front exhaust pipe flange and exhaust manifold.

5. Whether the front exhaust pipe and catalytic converter or the third muffler have holes, damages, cracks or other damage phenomena that lead to leakage into the passenger compartment or trunk.