You can get a good set between $1500-$1800 ready to go.
That said. Ported heads plus the CMS cams is a supercharger kit and a supercharger is going to make way more power.
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 ****.