Well then you are too low or your tires are too wide or you have an offset that isn't right or any combination of these. I'm lowered with oversized tires but I don't rub because I went narrow up front and just big enough out back. Lots of ppl rub because they want to cram 275s up front and 315s out back for no good reason IMO.
Need more info from your combo.
2000 Mustang GT Steeda build #48. Bolt ons, suspension, Novi 2000.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.