Akrapovic Noise Reducer (dB-Killer) - BMW F 900 XR / F 900 R / Yamaha YZF R6 / YZF R1 & more Akrapovic Akrapovic exhaust system, Ducati Multistrada 1200 2015–2017. BMW F 900 R BMW F 900 XR Ducati Multistrada 1200 Ducati Multistrada 1260 Yamaha YZF R1 Yamaha YZF R6