Demolition Drain-Pipe is a level in Donkey Kong Country 3: Dixie Kong's Double Trouble, and the second area of Mekanos.
The Kongs will speed through most of this level in a Toboggan. They are also be able to ride along rails suspended from the ceiling. Buzzes and Knick-Knacks are the only enemies in this level, though both of them can be crushed by the Toboggan.