Please note: This only works for crouching Cody, Ibuki and Vega (only three characters but it is a good thing to keep in mind as the cross up can lead to a lot of damage and or stun)
After Dudley does his dash straight punch you can fadc and cross them up from the other side
[media=youtube]adQtvDLGzw4[/media]
If this works on other characters please let me know!