Process West Black Top Mount Intercooler Kit MY08-18 STI
£1,033.13
Process West top-mount intercooler for Subaru Impreza / WRX STI 2008-2013 (GR/GV); Subaru WRX STI 2014-2021 (VA/VAB). 90mm (3.5in) thick core with a matching under-bonnet duct/shroud sized to fit, for full ambient airflow across the core face.
SKU: PWTMIC06B
EKS Fitment Advice
EKS currently identifies this product as Shared / Application Fitment
Compatibility of any product, greatly depends on model + year + trim + mods. Most Subaru’s are in different states of tune, so please contact Rich, from EKS to get clarity before purchasing.
Potential Applications
Subaru Impreza / WRX STI 2008-2013 (GR/GV), Subaru WRX STI 2014-2021 (VA/VAB)
Full List of EKS Fitment Evidence Types
For context, here are all categories of fitment according to EKS.
- Direct Fitment: means the product is currently listed as fitting the model/generation shown.
- Shared / Application Fitment: means the product may suit shared Subaru platforms, engines, turbos, drivetrains, brakes, cooling/intake setups or modified applications.
- Universal / Service Item: means the product is broadly useful for Subaru servicing, maintenance, workshop use or general ownership.
- Needs Confirmation: means the product appears relevant, but final fitment may depend on extra details.
Product Description
This Process West top-mount intercooler uses a 90mm (3.5in) thick core, thinner than the standard intercooler’s roughly 114mm (4.5in), to improve ambient airflow through the core given its mounting position beneath the bonnet scoop.
The kit includes a correctly sized under-bonnet duct/shroud to match the larger core, so the full core face receives ambient airflow.
Fitment: Subaru Impreza / WRX STI 2008-2013 (GR/GV); Subaru WRX STI 2014-2021 (VA/VAB).



















