I'm sure everyone has their favorite site that they go to, to research/buy parts for their Subarus. But I have just recently discovered one that I thought I would share with everyone.
RallySportDirect.com - Performance Car Parts Online
They literally have just about everything from Cobb to Invidia to Turboxs and so on. Just put in your car year/make/model and it'll pull up everything that will fit on your car from multiple manufacturers. I will most likely buying the majority of my parts from this site.
But, like I said, I'm sure the majority of you know about it or have your own website, but I wanted to share this one in case someone out there is looking for a good site.
If you have any good ones that you like to shop at, feel free to post it. Thanks and happy modding!