11-13 HONDA CBR250R: Akrapovic Exhaust Header - Stainless Steel Optional available headers from the finest stainless steel offer an upgrade to a full system when used with the Akrapovic Slip-On exhaust system. Let your bike stand out with more power, beautiful design, and the unique Akrapovic sound. Delivers a major increase in performance along with weight-reduction for improved handling. Individual components are connected with sleeve joints secured with silicone-shielded springs. Stainless steel construction.