X Prepared: Pirate ships tend to dominate this class. A few non-pirates have attempted to run in the class, but they all end up dead before they even get to grid. It was recently proven that having a NASCAR drivers name does not help you at all in X Prepared no matter how much you "like to win".
I know the guy they are referring to and he is cool as hell
Street Modified Classes
Street Modified: Aliens reign supreme in this class. This causes overpriced BMW's to go for sale. The class will exist until someone chooses to dominate in an RCM - "Ramey Crap Mobile". This is a mythical car with no mass, infinite tires, and negative dimensions, that will complete any autocross run in less than 1 second.
hmmmm ...
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if you can only race me in a straight line then whats the point 
...91 SMF SCCA
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by http://www.flickr.com/people/8341770@N07/, on Flickr
I see people out there spending money on the car to improve it … If you spend half that effort just working on your driving skills, making you and the car work together as a team, then you’ll go faster – period. To make the car go a second faster on the track takes a lot more energy and money than making yourself drive it one second faster.
– the late Tom Thrash SCCA Solo E Production