Akrapovic Slip-On Exhaust Titanium - BMW M 1000 RR / S 1000 RR / S 1000 R / M 1000 R Akrapovic Akrapovic titanium slip-on for the BMW M 1000 RR: saves 1.5 kg and adds +1.4 HP. BMW M 1000 R BMW M 1000 RR BMW S 1000 R BMW S 1000 RR