Process West Billet Intake Manifold Bolt-On Turbos So the cut out should

So the cut out should have 11mm depth to take the original stud

Rated to 1000HP

2 Oxygen O2 Wideband Sensor

High-quality sealed sensor housings are virtually impervious to automotive fluids (360-degree welded wetted area)

Process West Billet Intake Manifold Bolt-On Turbos So the cut out shouldThe 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