Process West Subaru WRX / STI (GE/GH/GR/GV)

• Intercoolers: front mount intercooler kits, top mount intercoolers and Verticooler kits.
• Hoses & piping: hot side, cold side and BOV hoses, silicone Y-pipes and mounting brackets.
• Intakes: 72mm and 76mm cold air intakes.
• Engine & fuel: TGV delete kits, anti-surge fuel systems and dress-up items such as boost solenoid covers and pulley garnishes.

Identify your car by its chassis code before ordering. GE and GH denote the 2008–2014 WRX sedan and hatch, while GR and GV cover the corresponding STI models, with GRB/GVB and GRF/GVF used for specific body and engine variants. Some listings also reference engine codes such as EJ20 or EJ25, or note a requirement for a particular intake manifold, top mount intercooler or transmission. Check the individual product title and description against your build, as parts listed for GC8, GD or VA chassis are covered in separate collections.

Most items in this range require removal of factory intake, intercooler or fuel system components and may call for new hose clamps, gaskets, fluids and basic hand tools. Some intercooler and intake upgrades change airflow or fuel delivery and can require a professional tune to run correctly. Installation by a qualified professional is recommended, and any modification should comply with the vehicle standards applicable in your state or territory.

Will a GE/GH part fit my GR/GV STI?
Not always. Although the platforms are related, many listings specify a single body or drivetrain variant, so match the chassis code shown in the product title.

Do I need a tune after fitting an intake or intercooler?
A retune is commonly recommended after intake and boost-related changes. Speak with your tuner about your combination.

What is a Verticooler?
It is a Process West intercooler design that mounts vertically, with matching hoses and brackets listed separately in this collection.