Bolt-on upgrade turbo
This is an upgrade turbo that can be installed in the genuine layout of the Impreza WRX STi. The large ball bearing turbo minimizes the deterioration of response while achieving a significant power increase in the mid to high RPM range.
Product specifications
Actuator type
Ball bearing
Oil/water cooled
Forged billet compressor wheel
GCG original Subaru Impreza WRX STi twin scroll turbine housing
GCG original Subaru Impreza WRX STi compressor housing
Turbosmart actuator
IN side flange: Subaru Impreza WRX STi genuine twin scroll port
OUT side flange: Subaru Impreza WRX STi genuine shape
Compatible models
| Manufacturer | Model name | Year | Engine |
| SUBARU | IMPREZA WRX STi GDB | 2002～2007 | EJ20 |
| SUBARU | IMPREZA WRX STi GRB/GVB | 2007～2014 | EJ20 |
| SUBARU | WRX STi VAB | 2014～2019 | EJ20 |
※Only for JDM models (EJ207 engine, exhaust manifold: twin scroll type only)
※GDB Applied A/B (round headlights) are not applicable due to the single scroll shape of the turbine support pipe flange.
We also accept custom orders for single scroll specification turbos.
