I did these mods to my Brinkman and it really helped a lot. This is not a pic of my cooker but it looked exactly like this when the mods were complete.
I hope this helps.
Lang 84 Deluxe Warmer with Chargrill
XL - BGE
Med. BGE ( Bought it for my son Vincenzo)
Kenmore Elite Gasser
Camp Chef Outdoor Stove