Process West Front Mount Intercooler Kit Subaru STI 2015-2021 | PWFMIC08 150 Filter Features

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It replaces the OEM diaphragm type valve with a piston design that allow for tuning with interchangable springs

and more firm pedal response

Part #: 4303-09000

plus whatever the installation and removal expenses may be

Process West Front Mount Intercooler Kit Subaru STI 2015-2021 | PWFMIC08 150 Filter FeaturesProduct Fitment: 2015 2021 Subaru STI The Process West Front Mount Intercooler Kit is the ultimate cooling upgrade for the 20152021 Subaru WRX STI (VA chassis). Designed to unlock the full performance potential of your STI, this system delivers consistent, reliable power under real world driving conditions where the factory intercooler falls short. Whether you're carving through mountain roads, pushing hard on track, or running a tuned setup, this