Patriot VS TTI VS Dougs

Hey guys I know you get this a lot! but I was using the search and I was reading up on the TTI's and they sound a bit difficult to install? requiring mini starters or have to modify the linkage by cutting it and reshaping a bracket near the collector and taking the power steering completely out? My car has power steering unfortunately but I do like having it.
Now for the patriots, do those require pulling the power steering box and shaft out to fit them in and do those go under the center link? Same questions with dougs headers. I know this is a tight fit no matter what and I am asking for problems and mods but just looking for the least mods needed to fit that driver side in there. You guys make it sound easy to get them in but this is my first real modified Muscle car and want to make it what my dreams are. I will spend the extra money for high dollar headers, My budget is tight and never had headers on a car and gotta try everything once in your life right?

On a side not my car has about 1.5in space between my bump stomps with taller tires in the back so its sitting in a raked position, making a possible problem with full long tubes and ground clearance and my car has no motor in it as of right now, not sure if that makes a difference on installing it with the headers?

Thanks

Alex