The new high-performance titanium Akrapovic exhaust provides more horsepower than the previous Akrapovic in S1000RR.he HP4 comes into its own with its refined paint finish in white and Racing blue.
The new high-performance titanium Akrapovic exhaust provides more horsepower than the previous Akrapovic in S1000RR. The HP4 comes into its own with its refined paint finish in aggressive white and Racing blue.