Process West Raw Silver Inlet Manifold - Cable Throttle - WRX / STI 2001 - 2005 Piston Rings RCM heavy duty thick wall

RCM heavy duty thick wall gudgeon Pin

2 x Knock inputs

which utilizes Graphite DJ technology

HyperBlue 2018 Subaru WRX STI Type RA

45 O/V 3-Bolt / 4-Bolt - Internal WG

Process West Raw Silver Inlet Manifold - Cable Throttle - WRX / STI 2001 - 2005 Piston Rings RCM heavy duty thick wallThe Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX STI when perfect aesthetics meet high end performance. What you see here is the result of years of research and testing, multiple prototypes and a ground up fully featured design process that makes this a key asset of our product range. Available in two major configurations they feature a full billet plenum with generous billet bell