I also have the progress springs on my 02 Wrx. I believe they are 1.3/1.8 in drop for mine. Great springs I can defintley notice my suspension to be tighter and I can corner faster. I have heard that Progress springs are made by Perrin or something like that at a more affordable price.

 

I just had a set put on today. I love em. What a difference, especially in the turns.

 

you can't go wrong with them. They are like $190. IMO much better than Teins and other springs.

 

Man what a difference it makes in the look and feel of your STi! That plus your 3" TBE you added today too just really put the whole driving experience to a whole different level!