Beware that in 5.0 land you can NOT mix/match BBK and MAC longtube parts. I'd go do some internet searching and hit on some of the bigger forums to make sure the modular parts mate up ok. This is one area I have not had much experience with in modular land but in 5.0 land you see a post seemingly every other day where someone bought a BBK set of longtubes and MAC prochamber or vice/versa and they are not lining up.
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 ****.