You can get an OEM powered mirror for about $75 on the most popular online auction site. Thats what i would do, Unless you've really modded your interior then a 5 panel racing mirror might fit in nicely.
@bookey, as an IT professional lmgtfy is my favorite website, especially around the holidays where "Can I use this with my thing?" questions start my way.
13 WRX Hatch - Torqued Performance Stage 1+
Slow is Smooth > Smooth is Fast