good thing i looked on the first page
i deleted the muffler if thats what the whole "delete" question was about
![Huh?](http://www.easttexashogdoggers.com/forum/Smileys/default/huh.gif)
Nope, that's not what they are referring to. There was not a 6.7 offered in 04...
On the 6.7 trucks, there is a fair amount of emissions equipment that can be deleted to improve performance/economy.