Most people prefer to spend the extra for a Vortex. It seems some people have trouble tuning with the PCV, and some are able to make it work.
PCV is a bandaid, Vortex heals the wound.
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2014 YFZ450R - Rossier Engineering, FCI, Vortex X10, Peak Breather, Goldspeed Wheels, Kenda Kutter XC Tires