The detail on this incredible lineup of trucks and rally cars, the dramatic terrain and strikingly rendered weather... Holy crap, this jaw-dropping Forza Horizon 2 Storm Island trailer makes me want to rip my shirt off and take a race-prepped Ford Ranger off a jump. Which I could do if I got this game.

Forza proved they were committed to the off-road element of racing with some great vehicles and dirt courses in the initial Horizon 2 release, but this Storm Island expansion looks like it's taking the off-tarmac action to a whole 'nother level.

Here's a gameplay clip of what they call "Rampage Mode," with commentary from the developers who made it happen:

And here's what the game's Creative Director Ralph Fulton calls "one of the most extreme races that we've ever had in the Forza franchise before:"

The Storm Island expansion pack will be available on XBox One has downloadable content starting December 16th, 2014.