Akrapovič Audi 8Y RS3 Evolution Line Titanium Cat-Back Exhaust SystemThis Audi RS3 8Y Akrapovic exhaust system is constructed with high grade titanium tubes and a muffler, which are attached to the cars stock downpipes with a high quality stainless steel link pipe and finished with handcrafted carbon fibre tailpipes and a titanium inner sleeve. Weighing in at 44. 1% lighter than the standard setup, this system provides power gains of 7. 5 kW (10. 2 hp) at 5,450 rpm and torque increases of 8. 8 Nm at 3,900 rpm (when