Akrapovic Evolution Line Titanium Exhaust System for Mercedes-AMG CLA 45 / CLA 45 S (C118/x118)A different design, build, and configuration from the stock system means the exhaust saves weight and optimizes the engine's power and torque levels, increasing both throughout the entire rev range, with increases of 6. 4 kW at 6,400 rpm and 9. 1 Nm at 6,700 rpm as measured in back to back runs on The Akrapovic dyno against a Mercedes AMG A45 using a standard stock exhaust. The flow path of the exhaust gases provides tuning potential, which can be