Process West Intake Manifold Black (Reverse Orientation) - Subaru STI VA Girodisc For example

For example

- System Type: Shortram air intake with heat shield

Full 3 inch straight structure to improve exhaust flow

Cap Material 6061 Aluminum

Process West Intake Manifold Black (Reverse Orientation) - Subaru STI VA Girodisc For exampleThe 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 redesign of the original ground breaking "Corsa Veloce" product range. Available in two major configurations they feature a full billet plenum with generous billet bell mouths and