Process West - Top Mount Intercooler & Intake Combo STi GR/GV (08-13)

In the rangePart no. PWCAI04 + PWTMIC06B

Does it fit?

Power rating: Up to 400WHP
Core size: 530mm (L) x 193mm (W) x 90mm (T)
In the box: TMIC, Y-pipe/throttle body & BOV return silicone kit, intercooler splitter, hardware kit
Fits: GR-GV Impreza WRX STI (2008–2014)
Category: Intake & exhaust

Want this, or something like it?

We can’t take an order yet — supply is still being arranged. Ask, and we will tell you what we know about it and let you know when it is available. What people ask for is what we range first.

Fitment is confirmed, not guessed
A chassis is listed only where the part is on one of our cars or on the manufacturer’s own application list.
Some of this is on our cars
Parts marked On our cars are ones we race. Those descriptions are written from running them, not from a brochure.
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Enquiries go to Michael, who races the cars. Tell us the car and what you are trying to fix.

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Specifications

Brand: Process West
Part number: PWCAI04 + PWTMIC06B
Power rating: Up to 400WHP
Core size: 530mm (L) x 193mm (W) x 90mm (T)
In the box: TMIC, Y-pipe/throttle body & BOV return silicone kit, intercooler splitter, hardware kit
Intake material: CNC mandrel bent aluminium tube
Intake filter: K&N high-flow (enclosed in inner guard)
Intake finish: Powder coated black
Fits: GR-GV Impreza WRX STI (2008–2014)
Category: Intake & exhaust

Figures as published for this part; fitment is only what we have confirmed. Check critical dimensions against your car before ordering.

About this part

Process West's top mount intercooler and intake combo (PWCAI04 + PWTMIC06B) is built for the 2008–2013 GR/GV Impreza STI. The top mount core is 530mm x 193mm x 90mm and rated to 400WHP, with a CNC mandrel bent aluminium intake tube finished in powder coated black and a K&N high-flow filter enclosed in the inner guard. Every new Process West intercooler is checked by specialist tuners before release, and the kit includes the TMIC, a Y-pipe/throttle body and BOV return silicone kit, an intercooler splitter and a hardware kit.