Process West Double W460 Pump Anti-Surge Fuel System Subaru WRX / STI 2008-2014 | PWFS04 ForesterXT_2009-2013 Increases cooling capacity to the

Increases cooling capacity to the turbocharger

58% and 133% increase in stiffness over the stock rear anti-sway bar

Enhances rear-end stability and consistency

a high-technology racing group supplying engine and suspension components to numerous Formula One

excellent water washout resistance and superior anti-wear which makes it excellent for high temperatures and extreme loads

Process West Double W460 Pump Anti-Surge Fuel System Subaru WRX / STI 2008-2014 | PWFS04 ForesterXT_2009-2013 Increases cooling capacity to theProduct Fitment: 2008 2014 Subaru WRX 2008 2014 Subaru STI A fully engineered fuel delivery upgrade designed to eliminate fuel starvation under high load while remaining clean, compact, and OEM like in appearance. Key Features 2. 4L surge vessel capacity for stable fuel supply under sustained cornering, acceleration, and track use Internally mounted Walbro 460 LPH pump (single pump configuration) Near zero pump noise thanks to external billet surge