If you want the tunnel to get hot and cause potential problems with the electronics beneath the center console, then leave it off.
Not guaranteed, but that's why it is on there.
You might find the cabin get a bit hotter than ordinary without something to deflect the heat in that location. The carpet has insulation, but on top of the tunnel where a few of the modules go is unprotected.
'09 PSM G8 GT - OPG Intake, DOD-Delete w/ Stage 1C 218/229 .600 Lift 117.5LSA, Kooks 1 7/8 Mids, Solo Axle-Back w/ X-Pipe, SuperPro Bushings (Front and Rear). BMR Sway Bars (Red)
"If you want to criticize someone else's work, be sure that your own is in order first."