Akrapovic BMW G90 & G99 M5 Titanium Evolution Line Exhaust System (Non-OPF Vehicles)The Akrapovic Titanium Evolution Line Exhaust System for the BMW G90 and G99 M5 (non OPF vehicles) is a precision engineered upgrade designed to deliver unmatched performance, reduced weight, and the signature Akrapovic sound. Constructed entirely from high grade lightweight titanium, the system features complex cast components such as the X connection and specially designed collectors, all produced at Akrapovics in house titanium foundry. This system