Audi RS7 Sportback 4.0 V8 TFSI biturbo Full System - Non-resonated (less attenuated). uses OEM switch. Requires Step 2 software 2.75"
Audi RS7 Sportback 4.0 V8 TFSI biturbo Full System - Non-resonated (mindre dämpad). Använder OEM ändrör. Kräver Steg 2 mjukvara 2,75"