Driving around in my 2012 Audi B8 S4 with AWE Resonated Downpipes and AWE Catback. All speed limits were obeyed. Mods: APR Stage 2+ AWE Res. Downpipes AWE Catback H&R Coilovers Laser Interceptor Quad Valentine One Roc-Euro Intake(not installed at the time of this video)