For those who are looking for a dual exhaust setup for their A5 (Sline), you'll need to purchase the following parts:

A5 (MY 2013+): Cabriolet Diffuser
A5 (MY 2013+): Cabriolet Insert
AWE Dual Exhaust (along w/ a Heat Shield kit)



Above is what it would look like installed w/ AWE. The setup above is also for sale, but for those who were wondering what parts you'll need. Here ya go.