Mishimoto 07-09 Nissan 350Z PCV-Side Catch Can KitThe VQ35HR is the ultimate evolution of the VQ35 series. The HR was built to be driven at the limit, but over a decade of daily driving and banging the limiter takes its toll. As the VQ35HR ages, it produces more and more blow by, which makes its way back through the intake system and into the cylinders. More blow by equals a higher chance of detonation, and the high revving, high compression HR can't afford more risk. That's why Mishimoto has