Audis high-performance RS models are an ideal match for the expertly styled and beautifully engineered Akrapovi Evolution exhaust systems.The Evolution gives more power, higher torque, decreases the weight, and delivers an unmistakable Akrapovi soundwhich 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 Akrapovi exhaust.Its easy-to-fit instructions are included, and with this cat-back performance exhaust systemwhich means that the stock catalytic converters remain in placetheres no need to remap the ECU (its simply a plug-and play system).