Ok, there are many Crashin' Thrashin' Racer exploits around but most of people dont have a Crashin' Thrashin' Racer.
In this patch Blizzard added a recolor, Blue Crashin' Thrashin' Racer (Blue Crashin' Thrashin' Racer Controller - Item - World of Warcraft) available in Dalaran from Jepetto or his companion (Clockwork Assistant - NPC - World of Warcraft) for just some gold.
So if you always wanted to try Crashin Thrashin Racer exploits now is perfect time to do it!
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Im very tired now, will add pictures and more stuff tomorrow.