Lift the footwell carpet on the driver's side and remove the "arrow" trim. Disconnect and freely lay connector "2" for the NOx sensor "G295". Ignore pos. "1, 3, 4".
Unscrew bolts "1" and "2". Cut cable tie "3", unlock "arrow" clamps and remove wiring.
Remove the wire for the NOx sensor "G295" from the rubber tip "arrow left" and unclip it from the heat shield "arrow right". Unscrew the 2 bolts for the heat shield and freely lay the wire for the NOx sensor "G295".
Unscrew the "arrow" bolts and remove the heat shield from the rear.
Loosen the threaded connections "arrows" for the clamping sleeve.
Unscrew the threaded connections and remove the main catalyst and resonator. Install in reverse order.