I have a technical question for everyone. My buddy Trent has a 06 4.8 thats bone stock and he's wanting to buy some headers off of my other buddy that has a 2000 5.3. The headers in question are Edelbrock shorty headers w/ EGR. Will these Edelbrock's w/ EGR work on Trent's 06 4.8 without modification? If modification is needed what would it be? I'd like to get everyones opinion on this. Thanks