Slip-On Line MufflersRide in style with the Akrapovic Slip-On Line muffler for this top-of-the-line BMW touring motorcycleYou will recognize this system by its unique design, which is outstandingly executed using top-quality materials such as titanium and carbon fiber for the outlet capsIn order to make long trips enjoyable sound experiences as well, Akrapovic engineers have introduced further sound enhancements to this fine six-cylinder engine with this Slip-On systemIs compatible with BMW side cases