Get thee on Google and look up "On3 vs Vortech" and click away. You will see "on3 kit quality sucks" but their quality issues from the earlier ones were fixed a long time ago.
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 ****.