Go to game data utility in the xmb and erase the updates. then redownload them. if this dose not work the go into the ps3 safe mode and choose options 3 and 4 if still nothing then elevate your ps3 and vacume out the vents
Go to
http://www.groubal.com/twisted-metal-dlc-from-eat-sleep-play-and-sony/
SIGN IT FOR TWISTED METAL DLC
also go to WWW.TWISTEDCLANS.TK
