Originally Posted by brandonjansen
Not sure if they make any long tube headers for the 4.7's but if they do that would be your best bet. Did you change out the factory Y-pipe as well?
On a side note. I have pretty much the same engine mods done to my 4.7 minus the ported throttle body. How do you like yours? Do you feel like it actually made a significant difference? It's one of the things I've been on the fence about doing.
For the exhaust I did the standard from the CAT back didnt get to crazy with it because I already had all this other stuff on the credit card
I just recently started looking around for a decent set of headers for the 4.7 but have been unlucky in my search so far.
As far as the throtlle body I got that after I saw Asur's write up on it. To me it feels like I have much better throttle response then with the stock TB and I really felt a difference with the BD tuner on the 91 octane setting. IMHO I think it's definately a mod worth doing because it would work well with the other mods you already have.