Dynotech headers question

[rogco]

I have an 07 h2. I have the famous gm exhaust manifold leak so why not put some long tube headers on. So I was looking at the dynotechs and it says the 07 is a 6.2lt engine so do I just order those or should I order the ones for 03-06 for my 6.0ltr engine. Also haven't seen any talk on here about OBX headers seen other car/truck forums and they seem to be worth it also any personal input from people you know and any power out of the