Slip-ons are the first step in tuning an exhaust system, and they offer excellent value for money. Get more from your bike with more power, improved performance and the unique Akrapovic sound. All united in the stylishly designed Slip-On exhaust systems. Akrapovic attaches great importance to the design - resulting in a beautifully crafted exhaust system made of race-proven materials. The silencer cover is made of titanium, the end cap of carbon. | Article: Akrapovic Slip-On Line Titanium Rear Silencer, black-grey | Article: Akrapovic Slip-On Line Titanium Rear Silencer, black-grey, black-grey