Mixing element for an exhaust gas system

An exhaust system for an internal combustion engine, comprising:

• first and second exhaust lines which are connected to one another via a mixing element, said mixing element comprising:
• first and second half-shells, wherein said first and second half-shells are identical parts;
• an insertion plate arranged between said first and second half-shells;
• wherein said first half-shell comprises:
• first and second inlet opening sections;
• first and second outlet opening sections;
• and
• first and second channel sections that are open toward said second half-shell;
• wherein said second half-shell comprises:
• third and fourth inlet opening sections;
• third and fourth outlet opening sections;
• third and fourth channel sections that are open toward said first half-shell;
• wherein, said first and third inlet opening sections define a first inlet opening and said second and fourth inlet opening sections define a second inlet opening;
• wherein, said first and third outlet opening sections define a first outlet opening and said second and fourth outlet opening sections define a second outlet opening;
• and
• wherein said first, second, third, and fourth channel sections of said first and second half-shells define a channel system comprising:
• first, second, third and fourth channels;
• wherein said first and second channels connect said first inlet opening to said first and second outlet openings, respectively, and said third and fourth channels connect said second inlet opening to said first and second outlet openings, respectively.