Process West Billet Intake Manifold Bolt-On Turbos 2 Oxygen O2 Wideband Sensor

2 Oxygen O2 Wideband Sensor

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

designs its wings to allow interchangeability between side plates

Just what you’d expect from the world’s most experienced (and most winning) exhaust brand

Process West Billet Intake Manifold Bolt-On Turbos 2 Oxygen O2 Wideband SensorThe 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