Process West Intake Manifold Black (Reverse Orientation) - Subaru STI VA Girodisc Full 3 inch straight structure

Full 3 inch straight structure to improve exhaust flow

Forgetting to check the condition of your air filter can have a dramatic effect on vehicle performance and fuel economy

A'PEXi Original Accelerator Controller with 7-modes (3 ECO Modes

For example

Clutch line kits are constructed from -3AN stainless steel braided PTFE line with Honda specific hose ends to be a drop-in replacement

Process West Intake Manifold Black (Reverse Orientation) - Subaru STI VA Girodisc Full 3 inch straight structureThe 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