I had a friend who had one of these Javelins, only without the spoiler. And then he did some work to jack up the power more. Lord he could drive that thing and boy did it move. He finally sold it because he was afraid he was going to kill himself.
ACK ... my dad actually own one of those POSmobiles. As a small child, I learned my curses from him while watching him trying to fix it.
A buddy of mine bought one of those on eBay a few years ago. It was 9 grand IIRC, and it was worth every penny to him...