Muffler, Removing And Installing, AWD Vehicles: Installing
WARNING: This page is about a different car, the 2016 Audi A3 and 2015 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
Install in reverse order of removal and note the following:
-- Install the exhaust system without tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .