go vortech, if you want power, numbers don't lie - you can look at my dyno sheet on this forum. I am putting down almost 410rwhp with the vortech kit and a 9lb pulley. You must also factor in cost of installation, dyno time, and gauges.
A forum community dedicated to Nissan 350Z / 370Z and Infiniti G35 / G37 owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, exhaust, turbos, maintenance, and more!