The Subaru Impreza STi produces 524HP from an EJ25 engine equipped with equal length headers and a screamer pipe, delivering a sharp and aggressive turbocharged engine note. This video captures dyno ...
The Subaru Impreza GC8 555 Group A features a turbocharged flat-four engine producing a deep boxer rumble combined with ...
As this DIY hero shows, you can even make it work with the factory 4x4.