Developed with Factory Yamaha, Pro Circuit, Factory Kawasaki of Europe, Factory KTM and top pros like Jeremy McGrath, Sebastian Tortelli and many others
Specially designed reed cage now comes with carbon fiber Pro Series reeds
Maintains flow velocity through the valve and redirects intake charge for even distribution to intake ports
Pull a gear higher on uphills; instant acceleration makes passing effortless
Made of one-piece aluminum casting and bolts in easily; no modifications necessary
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