Questions below for a 2011 Sedan. Wheels -- I am considering the purchase of a square setup to use during HPDE track days to get more life out of tires. I have read that 18x9.5 is a populate size wheel. Please let me know what brand and vendor you recommend. I am not as concerned about...

I have run flat tires on the car (obviously) and I need to get new tires right about now. Has anyone had experience with putting normal tires on? I would prefer a longer tire life than I am getting out of the run flats. I know there is a space in the trunk, will it fit a spare? I have the...

This is a stupid question but still help me since I am having a major brain fart. I bought a 2012 cts-v. What do you guys use to get the tires off and raise the car? The car does not have a spare and I want to be able to still have the tools to take with me on long trips to take a tire off in...