Process West Intake Manifold – 2006-2021 Subaru WRX & WRX STi – CLEARANCE

Sale!

$2,669.18

DIRECT FIT for STi Models, typically meant for FMIC applications. This product WILL FIT  all turbo EJ models but may require additional parts or modification, please contact [email protected] for more information.

Scroll down for throttle body adapter options!

Throttle Body Adapters available, linked below!

IAG Big Bore 76mm Throttle Body & Adapter – Click Here!
IAG Bosch 82mm Throttle Body & Adapter – Click Here!

The 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 mouths and thick wall polished CNC mandrel bent tube components. High end TIG welding assembly makes them suitable for up to 100psi boosted applications. No other product comes close to this level of strength and detail. The range is modular to suit everything from MY99 GC8 to the latest WRX and STI’s with any stock throttle or that to suit the 3″ Hypertune billet throttle. Custom throttle flanges are available on special request.

This is the pinnacle of induction systems for the Subaru WRX/STI range. The plenum volume and runner length combination has been optimized for brutal low and mid range torque while increasing top end power aggressively. We’ve had customers pull off other aftermarket intake manifold systems to install this as performance is unmatched. Gains on even a stock setup are quite high at 10%+ however we recommend the Track version manifold for any performance setup not requiring AC up to the most extreme track and drag cars. For cars requiring even more power in the upper rev range the track version can be supplied with shorter billet TGV’s (lower runner section).

  • Full Billet Aluminium Plenum with Billet Bell Mouth ended Runners
  • CNC mandrel bent tube components
  • Suited to setups not requiring Factory AC.

Additional information

Weight9 kg
Dimensions75 × 50 × 50 cm
Intake Orientation:

Stock Orientation, Reverse Orientation

Surface Finish:

Black, Raw

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Applications

Models suitable for this product

MakeModelYearSubmodel
MakeModelYearSubmodel
SubaruBaja2004 - 2006XT - 2.5L Turbo AWD
SubaruForester2004 - 20132.5XT
SubaruImpreza2002 - 2014WRX
SubaruImpreza2004 - 2014WRX STi
SubaruLegacy2005 - 20092.5GT
SubaruLegacy2006 - 2009Spec B.
SubaruOutback2005 - 20092.5XT
SubaruWRX2002 - 2014
SubaruWRX STi2004 - 2021

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