legacycentral bbs

the RHB52 is also fitted the the aust spec RS Liberty. This is but a frame size. This turbo comes in different trim sizes. RHB52 VF12, which is fitted to our RS Liberty's. The RHB52 VF10 which is a smaller version, and the RHB52 VF8 smaller again. Also the exhaust housing can be a P18 or a P20. The ...

here in australia the wrx used the TD04 from '96 onward. Most wrx owners that do mods often change this first.
The Tdo4 does give better btm response but runs out of puff real soon.
Compared to your turbo's over there it may be an upgrade, not sure. Depends on what boost you want to run also.