I'd say to not get the BBKs at all, they put a big kink in one of the primaries to clear the steering shaft vs designing them to clear properly. Busch league. You should get a matching BBK pipe if you do get them though. Makes it fool proof. I'd get the SLP longtube/pipe setup myself...
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 ****.