Akrapovic Turbo Downpipe With Sports Cat - BMW M140i | M240i | 340i | 440iPower +13. 2 kW at 5900 rpm Torque +17. 2 at 4000 rpm Weight 0. 4 kg The high flow downpipe is constructed using high quality stainless steel and, once fitted to the Evolution Line exhaust, it creates a complete system from the manifold to the tailpipes that will further enhance the performance figures: both the torque and power outputs. It incorporates a sporty catalytic converter which is type approved to meet ECE regulations, making the whole