I believe the hat and pumps, most lines and fittings will work. But I think you will need another regulator for the direct injection and a few more lines.
New Full triple pump capable fuel system for 2015-2017 whipple or edelbrock supercharged Mustang GT. Worth over $2,000 with all included. Standard triple pump wiring included.. Will sell fuel system for $1,175 shipped. Never used, sold the car. See lethal site and pics for more specs.