Process West Silver Inlet Manifold - Drive By Wire Bosch 74mm- MY1999-2021 Brakes_Brake Pads This makes the Pro-Kit one

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

repeatable

Please note: The spoiler is not included

5°C conditions are replicated

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Process West Silver Inlet Manifold - Drive By Wire Bosch 74mm- MY1999-2021 Brakes_Brake Pads This makes the Pro-Kit oneThe 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