Boyesen Power Wing Yamaha Yz450F 07-11, Wr450F 07-11 Use Pw-32 GPX 4.5 · Kawasaki KX80 1997 /

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Boyesen Power Wing Yamaha Yz450F 07-11, Wr450F 07-11 Use Pw-32 GPX 4.5 · Kawasaki KX80 1997 /The Boyesen Powerwing is the perfect air delivery enhancement upgrade used to increase horsepower and torque by maximizing your intake system. The Powerwing's unique design maximizes airflow to increase horsepower, torque and responsiveness, without restrictions to your existing carburetor. Precision fit engineering ensures easy installation in each make and model available. The Boyesen Powerwing is designed to increase air velocity inside your