Process West Intake Manifold Raw - Subaru STI VA 5w20 but also adds a bit

but also adds a bit of flair with anodized PERRIN washers

dry up and crack as they age

A direct bolt-on

Black Anodized Finish

Process West Intake Manifold Raw - Subaru STI VA 5w20 but also adds a bitThe 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