I currently have a decent amount of mods. Still to lazy to get a tune. One of my friends who knows a bunch on the 4.6 says I'm probably too lean right now, and an o/r would make it a hellova lot leaner. Any guys with a similar combo to me not have any problems? If I do get the midpipe, are the mil's absolutly neccessary? I also don't want a popping sound that I hear some x pipes give you; would an H not give me that? I am really not all that concerned about power because the h and the x are probably within 5 hp of one another. What do you guys think?