The Subaru Impreza 2012 model has a big reflector. The Mini H1 with an Apollo 2 or 3 will fit smooth in here.

Subaru Impreza 2010 Xenon mounted on car Subaru Impreza 2010 Xenon Mini H1 projectors Subaru Impreza 2010 Xenon headlights Subaru Impreza 2010 Xenon light in dark Subaru Impreza 2010 Xenon closeup

Source: jdmsta on PhotoBucket

Buy the Mini H1 kit here:

Mini H1 bi-xenon twin kit - Speedstart ballasts AMP Canbus - Apollo 2 or 3 shrouds - XB35 4300K or 5500K bulbs - T10 position lights to match the xenon color - H7 high beam splitters to connect the bi-xenon function