The Akrapovic Evolution Line Full System is Akrapovic's flagship, top-tier exhaust, made primarily from lightweight titanium and carbon fiber, designed for maximum performance gains (power/torque) and weight reduction on sportbikes, often used in racing, requiring ECU tuning and not street legal for emission compliance. These systems offer a distinctive, deep sporty sound, greatly improving throttle response and overall ride feel by optimizing exhaust flow, but they are loud and necessitate fuel mapping for optimal function.