Originally Posted by monkeyracer
They fit the 2012 Impreza WRX/STi
but likely not the N/A Impreza. Unless someone wants to guinea pig and buy one to see.
Cusco makes some for our generation/chassis code (GP7/GJ7), but they are just a little more than the ebay ones you posted. Someone else posted this a little while back, but here's the link to the Cusco versions
Check this site.
If you can find someone with a stock STI RSB, I would do that, there is no need to pay that much for a aftermarket.
I put 2011 STI RSB in mine and it really helps, a lot less body roll and better at taking corners.