Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Exhaust >> Exhaust System, Emission Controls 2.0L (DMSA) >> 26 Exhaust System, Emission Controls >> Emissions Control System >> Catalytic Converter, Removing And Installing >> Catalytic Converter, Removing And Installing, Catalytic Converter Without Particulate Filter >> Tightening Specifications