Way up on the list of coolest concepts in Tokyo is Daihatsu's Mud Master-C, a decked-out and widened version of the company's Hijet van. It's powered by an inline three-cylinder, 12-valve mud-mastering powerplant. Could jacked-up keivans be the next big thing in Japanese automotive obsessions? Keep an eye out for Jacku Keivan Go! magazine on a Shibuya newsstand near (or far from) you.