It looks different than your stock turbo because it is!
NEW Stage 3 Custom Build Super High Output 6.0 Powerstroke Turbocharger. Application: 2004.5, 2005, 2006, 2007 F-250, F-350, F-450, F-550 and Excursion. This turbo is not stock, it's custom built to add maximum power and boost and lower EGTs, but will bolt on easily with no mods required. No core charge.