exhaust system with SAS / exhaust gas recirculation EGR for GY6 139QMB/QMA

exhaust system with SAS / exhaust gas recirculation EGR for GY6 139QMB/QMA

Exhaust system for 4-stroke engines with connection for secondary air system (SLS) in original part quality. The dimensions and workmanship of the plant correspond to those of the original part. The system should only be used if the vehicle is already equipped with a secondary air system at the factory.