It is the promo motorcycle of Akrapovic,  formerly known as Skorpion, the Slovanian company that has made its  mark at the highest level of the motorcycle road racing world (Moto GP,  super bike, supermoto, motocross, endure and rally raid) and now  producing exhausts for American bikes and cars. Former racer Igor  Akrapovic, owner/chief design engineer, excels in producing the absolute  cutting edge in exhaust technology, not using steel, but using only  Titanium or Carbon Fiber technology in each of his products. (from Cyril-Huze Blog)