| Exhaust system structure |
Twin-branch exhaust system with catalytic converters arranged close to engine, one front and one rear silencer per cylinder bank |
| Euro 2 |
Oxygen sensor closed-loop control with two continuous pre-catalytic converter probes, 3-way catalytic converter system with two catalytic converters left + right and two post-catalytic converter probes |
| Euro 4 |
Oxygen sensor closed-loop control with two continuous pre-catalytic converter probes, 3-way catalytic converter system with two catalytic converters left + right and two post-catalytic converter probes |
| USA LEV II |
Oxygen sensor closed-loop control with two continuous pre-catalytic converter probes, 3-way catalytic converter system with two catalytic converters left + right and two post-catalytic converter probes |