Its actually an Avalanche tent got it on ebay for $182.00.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1,1&item=8069625807&sspa gename=STRK%3AMEWN%3AIT
It fits however you do need a use little imagination setting it up because the SUT & Avalanche have the same cargo dimensions w/the midgate down (8'X4') but the SUT cargo bed section aft of the mid gate is a little shorter.