Polaris Axys 850 Patriot VCS Pump Fuel Turbo SystemThe Polaris Axys 850 Patriot VCS Pump Fuel Turbo System is the high performance, zero compromise bypass turbo solution you have been waiting for. Powered by the VCS (Velocity Control System), we are able to eliminate fuel and air limitations seen in traditional turbo systems. By maintaining and balancing manufacturer stock air, fuel, and exhaust velocities. We are able to maximize the bottom end and mid range response you would expect from a naturally