Catalyst code N43 have been used in Honda car manufacturing. They are characterized by a metal insert, elongated shape, length up to 55 cm and weight up to 4 kg! There are screw holes in the edges of the cover. The

The MATIZ catalyst is used by the Daewoo brand. The catalysts are small in size, about 25 cm long and weigh less than half a kilogram. They are characterized by a rather symmetrical and at the same time blunt shape.

FCFE2 Catalyst uses the Subaru brand. These are ceramic catalysts up to 60 cm long and weighing just 0.49 kg. These catalysts have an asymmetrical design, flattened caps and a code at the edge. Catalysts with FCFE2 number were installed

The Renault brand uses catalysts with the code C162. These catalysts are known for their relatively simple and flat shape. The cover has 4 transverse indentations in the center. It has asymmetrically arranged openings, one of which is directed diagonally