Fitment details and guide:
EJ255 and EJ257 - 2.5L Turbo
Subaru Impreza WRX & STi GC8 / Forester 1999+ EJ20T 2.0L Turbo
Impreza WRX & STi MY99/MY00 models
EJ255 - 2.5L Engine:
- Impreza WRX: 2006-2014
- Forester XT: 2004-2013
- Legacy GT: 2005-2013
- Outback XT: 2005-2009
- Baja Turbo: 2004-2006
- SAAB 9-2X: 2006 only
Usage Outside North America / Rest of the world:
- Legacy/Outback: 2007-Present
- Impreza: 2005-Present
- Forester: 2005-2010
EJ257 - 2.5L Engine:
- US Market Impreza WRX STi MY 2004-2007
- US Market Impreza WRX STI MY 2008-2016
- US Market Legacy GT / Ouback XT MY 2005-2013
- US Market Forester XT MY 2004-2013
- Asian, European Market Impreza WRX STi 2005+