After the band performed at the launch party for the 2005 Gumball Rally a news item at the GTSpirit website suggests that Jay is rumoured to be driving for team Adidas in the 2007 rally, which sets off from central London at the end of this month (28 April).
More information about the rally can be found at Gumball3000.com, and details of the Adidas entry in the rally can be found at jointherally.com.