Audi RS7 C8 4.0 V8 bi-turbo (Non OPF/GPF Models- USA / ROW) - Signature Series Titanium (2019-) Cat-back Cat Back (No Cutting Required) System including Signature Series Titanium Axle Back System with T304L Front Pipes & Active Centre Section - Non Resonated (Louder) with Carbon Fibre Ovals 80mm / 3,15"