High numbers hit at Mardi Gras Nationals!

[GlassWolf]

may have also been using an ultraefficient enclosure design as well as a load of power, and utilizing physics to aid as well, like a quarter-wave response.
if he used a 6th order or snalshell enclosure, that'd boost the output considerably at the tuned frequency which he should have tuned to the vicinity of the vehicle's sympathetic frequency.