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2009-2013 Yamaha R1 Akrapovic Evolution Full Exhaust Carbon Mufflers
Akrapovic Evolution systems are designed for riders who demand maximum performance from their motorcycle. Systems are significantly lighter if compared to stock exhaust system and feature exceptional production quality, hi-tech materials and of course increased engine performance combined with pure racing sound output. The Akrapovic Evolution systems were developed to complement the racing character of the R1. Evolution system is made entirely of our exclusive high grade titanium. PERFORMANCE The power increase with the Akrapovic system is substantial, and can be seen from 7000 rpm right to the top of the range. At 12460 rpm we measured 165.7 HP, with max. increased power of 7.8 HP at 5900 rpm. The system’s effect on the torque and power curve is huge and strongest in midrange rpm. The main increase starts at around 4500 rpm and continues right into the over-rev range. All this will help you shave lap times and result in much smoother ride.
