Coilovers if you want adjustment, stock setup if you just want lower. If you are going for a max effort cornering car you are going to want a prepped IRS and a SLA up front from A47 or Griggs. Not cheap...
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.