Skinny Center Exit Header Pipe for Small Block Clone Engines Fitments: Tillotson 196, 212, 225 Predator 212 196CC Honda Clones Honda GX200 The end of this header pipe is 1"OD. The B91 Muffler, Mini91 Muffler, and 1" Trumpet End will clamp on to this header pipe. Fits Lil' Rascal Mini Bike Fits Mega Moto 80/105 that use Mega Moto Bent Motor Plate We strongly recommend using the Header Support to prevent pipe from breaking.