General information (Opel Insignia A)

Intake system

The engine intake system is equipped with a filter that cleans the air supplied to the engine combustion chambers.

Exhaust system

A catalytic converter is a piece of equipment for controlling the content of harmful emissions in exhaust gases, installed in the exhaust system of a vehicle to reduce the content of hydrocarbons (HC), carbon monoxide (CO) and nitrogen oxides (NO_x) contained in the exhaust gases. The catalytic converter is a ceramic element supported by insulators and placed in a metal housing. The element has a coating of three noble metals: platinum (Pt), palladium (Pd) and rhodium (Rh). The catalytic converter is not serviced.

The muffler serves to reduce the noise level generated by the engine exhaust gases. It is a set of tubes and partitions with holes that dampen sound waves through resonance. The muffler is made of stainless steel to protect the exhaust tract from corrosion. The muffler is fixed between the rear wheels.