CALL TO VERIFY STOCK BEFORE ORDERING. designed for Supersport fans who enjoy pushing the engine right to the top of the range. Their quality and reputation are further augmented by the use of the high-tech HYDROFORMING production process to form the header tubes. This process is a highly regarded innovation in the field of exhaust systems. The American company Dynojet offers a Power Commander for the Honda CBR 1000 RR with mapping developed specifically for this Akrapovic system. The mapping will add a further increase in power and extend the lifetime of the damping material. Power & Torque: the exhaust system modification with the EVOLUTION (Racing) system results in a major boost in performance, delivering a massive 159.3 HP at 11700 rpm. But the increased power isn’t available just at the top of the range; the system shows its quality from 4400 rpm up. Max. increased power between the Akrapovic and the stock system is 12.1 HP at 11900 rpm. The injection of added torque is similar to the power curve, starting at 4400 rpm and leading right to the top of the range.