EXHAUST SYSTEM FOR A PISTON ENGINE

摘要

The invention relates to an exhaust system for a piston engine, comprising an oxidation catalytic converter and a particle filter connected downstream of said converter. Said catalytic converter has a catalytic structure (20) with a plurality of channels (22) that are parallel and open on both ends. According to the invention, the walls (24) between the channels (22) have a porosity of at least 30%.