Section 926 (Exhaust System & Emission Controls System (Service Information - (CEUC, CRDB, CTGE, CWUB, CWUC))

WARNING: This page is about a different car, the 2018 Audi S6, 2017 Audi S6, and 2016 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.