I saw those as well, but
The specs
Maximum Power Handling: 240 Watts Peak
Nominal Power Handling: 120 Watts RMS
From
M6+ - CDT Audio 6.5" 240 Watt Mid-Bass/Sub-Bass Drivers
Will have to see how much space I have under my front seats, but I doubt I'll have enough room for even an 8" midbass...