Performance
Measurements of the Akrapovic RACING system on the HONDA CRF450R (with 2mMax muffler insert):
Power & Torque: The Akrapovic Evolution and Racing systems deliver a performance increase throughout nearly the entire rpm range. It is most pronounced in the bottom and the top of the range. The systems deliver increased torque similar to the power increase. Max. increased power of 2.5 HP was measured at 9900 rpm, while max. power of 49.2 HP was measured at 9670 rpm.