It really depends on how much money you want to spend. There are headers out there that are designed for just about every price point. I got my long tubes with H pipe for just shy of about 400 bucks. They are OBX headers and I think there a knock off of BBK . As for the X or H pipe , the x pipe gives you a bit better scavenging effect and makes a bit more power, I choose an H pipe because I don't like the sound of the X it is a little too raspy sounding to me. One thing I can tell you about the long tubes is that when you go looking for them make sure you get the correct set for your trans, some headers are made to fit around a manual trans while other are made to fit around an auto.....