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- Christmas Picks
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- All Engine
-
-
-
-
-
-
-
-
-
-
- All Motor Builds
- Anodized Bolt Kits
- Con Rod Bearings
- Con Rods
- Crankshaft
- Delete/Relocation Kits
- Drive Belts/Timing Belts
- Engine Accessories
- Gaskets
- Head Bolts/Studs
- Head Gaskets
- Hoses & Fittings
- Lubricants/Sealant/Grease
- Main Bearings
- PCV Hoses
- Pistons & Rings
- Pulleys
- Running In Oil
- Short Blocks
- Timing Belt Kits
- TGV Delete Kits
-
-
- Superchargers
- Turbo/Turbo Kits
-
-
-
-
- STI
- Tools
-
-
-
- ACL
- ACS-Australian Clutch Services
- ACT-Australian Clutch Technology
- Alcon
- APR Performance
- ARP
- Autometer
- ABW Motorsport
- Armorall
- Autoglym
- AVO
- Bendix
- Blouch
- Bosch
- Bowdens Own
- Boxer Performance Parts
- Brembo
- Bremtec
- Carillo
- Clutch Pro
- Cobb
- Cosworth
- CRC
- Cusco
- Dayco
- DBA
- Dixcel
- DTM Racing
- Ecliptech
- Endless
- Exedy
- G Loc
- Genuine Subaru
- GFB
- Goodridge
- Greddy
- Grimmspeed
- H&R
- Hankook
- Hardrace
- Hella
- Hot Wheels
- HKS
- IAG
- Invidia
- K&N
- Killer B
- King Springs
- Kitten
- Koyorad
- Loctite
- Lucas
- Magnafuel
- Manley
- MCA
- Meguiars
- Mishimoto
- Motul
- MRT
- Narva
- NGK
- NRG Innovations
- OS Giken
- Penrite
- Permatex
- Pierburg
- PPG Performance Gearboxes
- Process West
- Project Kics
- Project Mu
- PSR
- PWR
- Race Works
- Rain-X
- Radium
- Rally Armor
- RCM Roger Clark Motorsport
- Redline
- Rota Wheels
- Ryco
- Sakura
- Silvers Suspension
- Siruda
- Sparco
- STI
- Street Fighter
- Tomei
- Torque Solutions
- Turbosmart
- ULX 110
- VDO
- Velo
- Whiteline
- Winmax
- Wynns
- Xtreme Performance
- Zeitronix
All Process West products are built with the simple business building philosophy:
"Perfection Without Compromise"
Process West was established in 2003. Their business has seen continual rapid growth and they now have approximately 95 distributor/resellers worldwide. In April 2012 they moved from their old 180m2 workshop to their brand new 900m2 factory. They specialise in the design, engineering and manufacture of small heat exchange products and other aluminium products for the automotive industry.
Managing director Kevin Westblade has been designing cooling, intake and fuel systems for 25 years.
With years of experience in the heat exchanger industry and traveling around the world to various heat exchanger manufacturing plants means that Process West uses only the absolute best available heat exchanger core and manufacturing processes.
They use the latest state of the art tig welding equipment and HAAS CNC vertical milling and lathe machines.
11 products










Process West Cold Air Intake w/ K&N Filter 15+ WRX
Regular price $650.00 Save $-650.00The Process West Cold Air Intake is perfect for gaining more power from your FA Subaru, not to mention the sound!
The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC mandrel bent aluminum tubing with a airflow meter mount machined on which ables you to utilise the standard airflow meter.
Process West also provide a K&N high flow air filter with all the Cold Air Intake Systems they sell. Finished off with a flawless Black coating for a factory look.
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Details:
- Designed to replace the restrictive factory air intake tract
- Fabricated from lightweight CNC mandrel bent aluminium tube and has a CNC machined air flow meter mount
- Comes complete with a K&N high flow air filter which is enclosed in the inner guard
- Powdercoated black for a factory-look finish
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K&N Pod Filter Replacement 72mm
Regular price $100.95 Save $-100.95Specifications:
- Height 152mm
- Outer Diameter Bottom 152mm
- Outer Diameter Top 117mm










Process West Cold Air Intake w/ K&N Filter 99-00 WRX/STI
Regular price $495.00 Save $-495.00The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound!
The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC mandrel bent aluminum tubing with a airflow meter mount machined on which enables you to utilise the standard airflow meter.
Process West also provide a K&N high flow air filter with all the Cold Air Intake Systems they sell. Finished off with a flawless Black coating for a factory look.
Details:
- Designed to replace the restrictive factory air intake tract
- Fabricated from lightweight CNC mandrel bent aluminium tube and has a CNC machined air flow meter mount
- Comes complete with a K&N high flow air filter which is enclosed in the inner guard
- Powdercoated black for a factory-look finish

Process West Cold Air Intake w/ K&N Filter 97-98 WRX/STI
Regular price $495.00 Save $-495.00The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound!
The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC mandrel bent aluminum tubing with a airflow meter mount machined on which enables you to utilise the standard airflow meter. Process West also provide a K&N high flow air filter with all the Cold Air Intake Systems they sell. Finished off with a flawless black coating for a factory look.
- Designed to replace the restrictive factory air intake tract
- Fabricated from lightweight CNC mandrel bent aluminium tube and has a CNC machined air flow meter mount
- Comes complete with a K&N high flow air filter which is enclosed in the inner guard
- Powdercoated black for a factory-look finish

Process West Cold Air Intake w/ K&N Filter 04-09 Liberty GT
Regular price $615.00 Save $-615.00Details:
- Designed to replace the restrictive factory air intake tract
- Fabricated from lightweight CNC mandrel bent aluminium tube and has a CNC machined air flow meter mount
- Comes complete with a K&N high flow air filter which is enclosed in the inner guard
- Powdercoated black for a factory-look finish

Process West Cold Air Intake w/ K&N Filter 01-07 WRX/STI
Regular price $490.00 Save $-490.00The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound!
The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC mandrel bent aluminum tubing with a airflow meter mount machined on which ables you to utilise the standard airflow meter. Process West also provide a K&N high flow air filter with all the Cold Air Intake Systems they sell.
Finished off with a flawless Black coating for a factory look.
- Designed to replace the restrictive factory air intake tract
- Fabricated from lightweight CNC mandrel bent aluminium tube and has a CNC machined air flow meter mount
- Comes complete with a K&N high flow air filter which is enclosed in the inner guard
- Powdercoated black for a factory-look finish

Process West Cold Air Intake 76mm w/ K&N Filter 15-20 STI
Regular price $615.00 Save $-615.00The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound!
The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC mandrel bent aluminum tubing with a airflow meter mount machined on which enables you to utilise the standard airflow meter.
Process West also provide a K&N high flow air filter with all the Cold Air Intake Systems they sell.
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Finished off with a flawless Black coating for a factory look.
Details:
- Designed to replace the restrictive factory air intake tract
- Fabricated from lightweight CNC mandrel bent aluminium tube and has a CNC machined air flow meter mount
- Comes complete with a K&N high flow air filter which is enclosed in the inner guard
- Powdercoated black for a factory-look finish

Process West Cold Air Intake 76mm w/ K&N Filter 08-14 WRX/STI
Regular price $650.00 Save $-650.00Â
Details:
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Process West Cold Air Intake 72mm w/ K&N Filter 15-20 STI
Regular price $615.00 Save $-615.00The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound!
The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC mandrel bent aluminum tubing with a airflow meter mount machined on which enables you to utilise the standard airflow meter.
Process West also provide a K&N high flow air filter with all the Cold Air Intake Systems they sell.
Finished off with a flawless Black coating for a factory look.
- Designed to replace the restrictive factory air intake tract
- Fabricated from lightweight CNC mandrel bent aluminium tube and has a CNC machined air flow meter mount
- Comes complete with a K&N high flow air filter which is enclosed in the inner guard
- Powdercoated black for a factory-look finish

Process West Cold Air Intake 72mm w/ K&N Filter 08-14 WRX/STI
Regular price $615.00 Save $-615.00The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound!
The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC mandrel bent aluminum tubing with a airflow meter mount machined on which ables you to utilise the standard airflow meter.
Process West also provide a K&N high flow air filter with all the Cold Air Intake Systems they sell. Finished off with a flawless Black coating for a factory look.
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Details:
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Process West Cold Air Intake 72mm w/ K&N Filter 01-07 WRX/STI
Regular price $495.00 Save $-495.00The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound!
Â
The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC mandrel bent aluminum tubing with a airflow meter mount machined on which enables you to utilise the standard airflow meter.
Â
Process West also provide a K&N high flow air filter with all the Cold Air Intake Systems they sell.
Â
Finished off with a flawless black coating for a factory look.
- Designed to replace the restrictive factory air intake tract
- Fabricated from lightweight CNC mandrel bent aluminium tube and has a CNC machined air flow meter mount
- Comes complete with a K&N high flow air filter which is enclosed in the inner guard
- Powdercoated black for a factory-look finish