Exhaust System
| Designation | 981 C7 GTS | 981 GT4 |
|---|---|---|
| Design: Standard: Sports exhaust system with tailpipe |
Twin-branch exhaust system with catalytic converters arranged close to engine, one rear silencer per cylinder bank/merging and cross-coupling point in front of center twin tailpipe with modified main silencer internal structure and vacuum-controlled exhaust flap. Central EXC sports tailpipe cover. | |
| Emission control | Country-specific, EURO 4/5/6, LEVII/ULEV | |
| System | Oxygen sensor closed-loop control with two continuous pre-catalytic converter probes, 3-way catalytic converter system with two single-substrate catalytic converters (left + right) and two post-catalytic converter probes | |