Impreza STI 22b parts now becoming sort after! Nik Baker 15th July 2016 Genuine Subaru parts, Subaru Impreza, Subaru Sti parts Due to the age of the Subaru Impreza Gc8 model many parts have become unavailable since part production has stopped. Factory option and Sti parts for models like the ever increasing in value Subaru Impreza 22B are now becoming hard to get and fetching premium prices especially new old stock parts in original boxes. The Subaru 22b bonnet vents have been a popular seller for a long time until just recently when production has stopped and there are very very minimal supplies left! Below are a few 22b parts in our rare collection of Sti parts.