I absolutely love the D racks. I expect you could do what you plan, but the extended racks are significantly smaller and they are made to balance on the grates. I'm sure you could make it work ... but I love D racks.
(I love D plates too.
Assistant to a Mad BBQ Scientist (and a squirrel): Primo Oval XL, Small Offset, Gasser, Optigrill, UBS
"I love everything about the pig, even the way she walks." -- Spanish proverb
(='.'=) This is the rabbit baby. Invests him in yours signature,
(")_(") and the help rabbit baby takes over control of the world!
Hmmmm, I wonder, WWGALD? Avatar courtesy of Grillman and NorthwestBBQ
Promoted by Bigabyte to "Idiot #1"
, and dubbed "Phizzy" by Sir Ron.