Audi's high-performance RS models are an ideal match for the expertly styled and beautifully engineered Akrapovic Evolution exhaust systems. The Evolution gives more power, higher torque, decreases the weight, and delivers an unmistakable Akrapovic sound"€which has a deep sound at lower revs and a "?popping' sound as things speed up when the throttle is lifted. This titanium exhaust system has cast collectors and three mufflers, with the central one featuring an x-piece inside, which increase power and improve its sound. The valves of the system are designed to open and close in line with the RS' standard electronics, and the whole system has carbon-fibre tailpipes to show off the exquisite finish of the Akrapovic exhaust. Its easy-to-fit instructions are included, and with this cat-back performance exhaust system"€which means that the stock catalytic converters remain in place"€there's no need to remap the ECU (it's simply a plug-and play system). TECHNICAL DATA UNIT STOCK Akrapovic? MAX GAIN maximum power kW 410.4 / 5850 rpm 415.5 / 5850 rpm + 7.0 / 5950 rpm HP (m) 558.0 / 5850 rpm 564.9 / 5850 rpm + 9.5 / 5950 rpm HP (i) 550.4 / 5850 rpm 557.2 / 5850 rpm + 9.4 / 5950 rpm maximum torque Nm 753.8 / 2950 rpm 764.3 / 2950 rpm + 15.4 / 3300 rpm lb-ft 556.0 / 2950 rpm 563.7 / 2950 rpm + 11.4 / 3300 rpm weight kg 34.0 25.9 - 8.1 lb 75.0 57.1 - 17.9 % - 23.8 installation time min 120 measured with: Audi RS 6 Avant (C7) 2014