I purchase Cervini hood(Different Part #) and fit and finish was excellent. The edges were very well done and no modding of any kind had to be done by bodyshop.
Is your car is daily driver? If it is than my opinion I would get other less complicated style. 1 hard to keep clean 2. pothhole vs cash spent= ouch!! Just opinion.
On the April issue of 5.0 Mustangs magazine there is a whole dyno test 4.6 header shootout. Maybe that may help. I'm clueless even after the whole reading :)
Question!! The normal for a rear 20x10 tire is 275-55r20. Does anyone here know if I can get a lilltle more wide? maybe 285+ without rubbing? I feel like my rim stick out more than tire and don't really like it.