Tunnel mite is a compact replica of those exciting competition racing boats cleaning up the "silverware" on the world’s racing circuit. the high speed hull rides as if. Power boats between 21 and 25′ long. some with cabin. mixed types and purpose, outboard and inboard. tech support. the best technical support: we will help you succeed! all our plans and kits. Although customers also purchased these, compatibility is not guaranteed. click an item for product details. this is the 24" hot shot sprint tunnel hull boat by dumas. the hot shot sprint is.