Originally Posted by Waizzz

Look in the marketplace or contact VIP-Status if you want to purchase a set of SF-Challenges. Typically about $2K used or $3K+ new.

Your questions on the forum tend to be all over the place, I would recommend you attend a local meet to see things in person, pickup a copy of super street for current trends, and continue researching on the forum before buying anything. It will save you money in the long run (believe me!!)