Conversation so far:
What happened in Ryan Dunn's career?
Ryan Dunn took part in the characteristic stunts that made Jackass famous, and featured in three released films, Jackass: The Movie, Jackass Number Two and Jackass 3D.
Was Ryan Dunn's Jackass: The Movie film a success?
Ryan Dunn's Jackass: The Movie grossed over $79 million worldwide and received very mixed reviews from critics.
Did Ryan Dunn go on a tour?
Ryan Dunn went on a tour with Don Vito called The Dunn and Vito Rock Tour for which the DVD was released on March 20, 2007.
When did Ryan Dunn go on a tour?

Question: Why did he go on a tour?
Self-contained rewrite: Why did Ryan Dunn go on a tour?