Process West Silver Inlet Manifold - Drive By Wire Bosch 74mm- MY1999-2021 Brakes_Brake Pads The threaded part of the

The threaded part of the blank measures 28mm and a genuine Subaru sealing washer is included in the kit

improving acceleration and enhancing engine response as well of giving your engine the Roger Clark Motorsport identity and seal of quality

Also included in the kit is a new spigot bearing and set of clutch cover location dowels

What is unique about IAG’s Closed Deck process

This makes the Pro-Kit one of the few lowering spring upgrades that genuinely enhances performance without compromise

Process West Silver Inlet Manifold - Drive By Wire Bosch 74mm- MY1999-2021 Brakes_Brake Pads The threaded part of theThe 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