counter-point to whether a concrete floor being in contact with the IPP's would make a difference.
In either situation we are talking about heat "removal" through the side, which as you point out, is likley small enough to be no more than noise in the signal.
00 S4 Silver/Black
darintake (my way), RS4 airbox top, RS4 MAF housing
allroad p/p intake mani (F hose delete!) with ASP phenolic intake spacers
AWE IC's (IPP's up for sale)
allroad TB, fuel rail, VAST tweaker chip, 37# delphis, MBC and TCD
K04/RS6 'brids, p/p, clearanced hot side, z/c coldside with Induktion oil lines
Piggie pipes, Twin 2
Achtuning OCK
VAST kevlar clutch w/ re-surfaced and balanced flywheel
APR bi-pipe, snub mount
RS4 motor mounts, AWE DTS
19mm rear sway bar - awaiting install
spare ECU with GIAC IBE2 w/ X, XR, etc.
(shouldn't have started the mod thing)
EPqC - Events and More...