5.0 power

[Unit 5302]

I wouldn't spend that kinda money. Just pick up a set of used stock 87-93 headers for about $30, an off road H for $100, cross member for $50, and a catback for $170. Add in tax and all the little extras like hangers from Ford and you should be able to add 20-30hp pretty easy to your engine for about $400.

The heads you won't want to mess with until everything else is ready to go into the combo, but a better intake manifold (the 4bbl looks just like a 2bbl) will help you out a little and add some rpm capability.