Looking at Cobra Jet stuff and ran across this. This guys work looks amazing, I'm sure it's not cheap but it would be worth it.
Tech Gallery: A Detailed Look at How a 25.5 Cage Goes into a 2010 Cobra Jet Mustang | | BangShift.comBangShift.com
Tech Gallery: A Detailed Look at How a 25.5 Cage Goes into a 2010 Cobra Jet Mustang | | BangShift.comBangShift.com