They are 225’s. It would be helpful to have a little more camber like maybe having offset control arm bushings from Moog.
An update on the spoiler, it clears my low profile HF 5 ton Jack. With my ride height it also clears most parking curbs but you’re a troglodyte if you aren’t backing in to parking spots!
For low-low ride heights I would simply recommend driving up on som 2x8 boards which should get you the clearance for floor jacks.
I do feel a performance advantage over no air dam.