BMW G650 GS /Sertao 11-13 Single Left Transformation GPR Exhaust Systems Trioval Stainless Slipon Muffler Road Legal With DB Killer & Link Pipe Lightweight Tri-Oval silencer weighs only 1.8-2.2 Kg. Homologated road legal with removable db killer. Made in Italy from durable Aisi 304 Stainless Steel, using advanced TIG welding. All mounting hardware included for a perfect fitment. Joints\ mid pipes included where applicable. No modification needed. Designed and Dyno-tested in GPR's factory and hand madein Italy,The GPR design proves successful in performance and sound. Allows better gas outflow from the engine and increase in horsepower and acceleration.Comes with GPR's 2 years warranty.