I have been getting a bit more serious in autocross prep, and commuting 100 miles a day in the SVO. I installed some H&R Race springs with poly isolators and subframe connectors. I found some Team Dynamics 1.2 17x9” wheels and had the centers machined to fit over my hubs, added some Dunlop star specs to them- 255/40/17s for the front, 265/40/17s for the rear. Just did an Evolution phase 1 school and then an autocross. Car worked great (need to roll the fenders a bit), and my driving improved immensely.