Leo Vince LV-One EVO Exhaust System Triumph Trident 660 / Tiger Sport 660 The Leo Vince LV One EVO Exhaust System is the ideal combination of Italian styling and modern performance. The inlet cap and internal chambers are manufactured from Aisi 304 stainless steel, which means its not only lightweight but also tough and impact-resistant. The exhaust's oval shape with clear and unique lines gives the silencer a unique compact profile. Features: Cad/Cam design for precise fit Substantial weight savings over the stock exhaust Aisi 304 stainless steel internals and headers Deep exhaust tone Weight Stainless Steel: 12.46 lb (-5.18 lb vs the Oem)