2014 B8.5 Audi S4 6SP MT with AWE Touring Exhaust and Non-resonated Downpipes

A comparison of exhaust notes between a set of stock downpipes and AWE non-resonated downpipes bolted onto a 2014 Audi S4 with a six-speed manual transmission. Here’s the list of mods: UPDATE (01/11/2016) ================== * A bigger Magnuson Supercharger kit has been installed to replace the factory supercharger and the ECU tune was supplied by APR (no more GIAC). Stage 2 Supercharger Pulley was replaced with the Magnuson Supercharger Pulley (slightly bigger than Stage 2) * The APR Cooling Performance