Process West Billet TGV Delete Kit
Not sure which option fits your application? Contact Us — we're happy to help.
Request a Price Match
Found it cheaper elsewhere? Send us the details and we'll do our best to match it.
Request received
Thanks! Our team will review it and be in touch shortly.
Billet TGV Delete Kit - Subaru WRX/STI (GDA/GGA/GDB/GRF/GVF)
Process West builds this kit to strip out the factory tumble generator valves that choke airflow through the intake path on the Subaru WRX and WRX STI. Precision machined in billet, it opens up the plenum to head transition and supports higher power builds without the factory restriction.
This listing covers the WRX GDA/GGA (2001-2007), STI GDB (2001-2007) and STI GRF/GVF (2008-2014). It's available in Silver or Black finish, and in 79mm or 67mm lengths - select the option that suits your build on the listing page.
Note: the 67mm version is required when fitting a Process West Billet Plenum to a GC8.
Key Features
- Billet machined construction
- Port profile suited to ported cylinder heads
- O-ringed upper flange for a leak free seal against stock or aftermarket plenums
- Injector ports machined for 11mm and 13mm injectors, Viton O-rings supplied
- Fuel rail mounting points match factory specification
- Available in 79mm and 67mm lengths
Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please ensure your vehicle's year and configuration are confirmed before ordering.
Not sure if this kit suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
| Make | Model | Chassis | Engine |
|---|---|---|---|
| Subaru | WRX | GDA | - |
| Subaru | WRX | GGA | - |
| Subaru | WRX STI | GDB | - |
| Subaru | WRX STI | GRF | - |
| Subaru | WRX STI | GVF | - |
Technical Specifications
| Spec | Value |
|---|---|
| Construction | CNC machined billet |
| Length Options | 79 mm or 67 mm |
| Injector Port Compatibility | 11 mm and 13 mm diameter injectors (no adaptors required) |
| Injector Seal | Supplied Viton O-rings, sized to suit injector diameter |
| Upper Flange Sealing | O-ringed for leak-free seal against stock or aftermarket plenums |
| Port Profile | Machined to suit ported cylinder heads for smooth plenum-to-head transition |
| Fuel Rail Mounting | Matches factory mounting specification; compatible with stock and aftermarket fuel rails |
| Available Finishes | Silver, Black |
No instructions available for this product.
Need Help Finding the Right Part?
We’ll Track It Down for You
We know how frustrating it can be searching for the right part. If it’s not listed on our site, that doesn’t mean we can’t source it.
Fill out the quick form below and our team will track it down for you.