For your:
Subaru WRX 2015-2021
This is the Process West FA Intake Manifold. This intake manifold has been designed utilizing a billet aluminum plenum that provides more volumetric efficiency, and it is ideal for those of you looking for a proper intake manifold that can handle more power and boost. The factory intake manifold is made using plastic construction, and although it is an effective factory design that can handle bolt-ons, it can be a limiting factor in terms of flow for those of you with larger turbocharger builds making more power that will greatly surpass the limits of the factory intake manifold.
HIGHLIGHTS:
Durable billet aluminum plenum construction
Cast aluminum large-bore runners
Computer designed and tested internal plenum porting
Provides an overall larger volume and greater runner capacity for optimal cylinder filling
Polished finish
Strong tig-welds designed to handle 100+ psi of boost
The plenum has been designed to aggressive low and mid-range torque while opening up power higher in the rev range
Ideal for those making more boost and power that would otherwise surpass the limits of the factory intake manifold
Designed for the 2.0-liter FA application
Ideal for high-powered street cars, drag cars, or track-dedicated race cars and rally cars
Provides a clean and custom engine bay aesthetic
Will not trigger a CEL and no tuning will be required