Results from my Dad's truck:
137.3 dB - windows down
131.1 dB - windows up
Both legal @ the windshield @ 40 Hz on the TL.
Regular cab truck, ported box, behind the seats. Two E8s on SAE-1000D at 2 ohms.
Metering was done with seats in regular driving position as well.
* The score with windows down. The 131.1 pic with windows up was too blurry so I didn't upload it.
* Mic position
* Seat positions
* Box port
* Subs