An important part of getting the most power out of the EJ255 in the Forester STI is improving exhaust flow. The factory catalytic converter (cat) is quite a restriction on flow and it being right at the outlet of the turbo will really reduce the speed the exhaust gas can flow through the exhaust turbine […]
The factory inlet to the air box draws air from just behind the headlight down into a Y piece with a large air box underneath then back up into the filter box. The STI fog light covers have a useful grille section on them though that I thought could be used as a nice cold […]
If you’re not already aware, A Subaru Forester is basically a jacked up Impreza with a slightly larger, boxy body. Those are the things that attracted me to one, the performance and tuning potential of an Impreza but with more space in the back for stuff. Being ‘jacked up’ and the ‘larger, boxy body’ both […]