Hi Guys,
I used header wrap as well. I wrapped each pipe by itself without water. I have covered my footboxes in 1700 degree adhesive aluminium heat shield from DEI. You can get both products through Summit.
www.clubcobra.com/photopost/showphoto.php?photo=9194&password=&sort=1&cat=500& page=3
I it has a nice quilted look and looks like it will be a great shield.
--Mike