Milltek downpipe milltek sport audi S4 S5 B9 is a performance exhaust selected for performance-focused builds from Milltek. OKTAN keeps the compatibility data visible so you can verify the part against your vehicle before checkout.

Listed fitment includes Audi S4. Before installation, confirm engine code, generation and road-legality requirements for your market. In-stock products ship from our Warsaw warehouse within 24h.