A lead connection with filter for all cars and engine light shutdown

An alternative connection for the lead mufflers consisting of one piece to solve the carbon problem, fuel consumption, and weak torque after removing the lead mufflers, and to solve the appearance of fault codes P0240 and P0430 during computer diagnosis. It is installed in the second sensor after the pollution muffler to compensate for the discharged lead and isolates the sensor with the same level of insulation as the mufflers.