Performance
Measurements of the Akrapovic EVOLUTION system on the YAMAHA YZ450F (with muffler insert):
Power & Torque: The Akrapovic Evolution and Racing systems deliver a performance increase throughout the whole rpm range. The systems deliver increased torque through entire power curve, what will additionally help at reducing lap times on the track. Max. increased power of 3.5 HP was measured at 10150 rpm, while max. power of 55.5 HP was measured at 9230 rpm.