Hatori SB-18FH Nitro Pipe Set (O.S. - YS .91)
This is the Hatori SB-18FH Nitro Pipe Set, and is intended for use with 90 class helicopters using O.S. and YS .91 engines with head speeds ranging from 1850 to 1900. The SB-18FH is isolation mounted for low vibration and was designed by top US pilots to offer the best performance in a tuned muffler.
This product was added to our catalog on December 1, 2010.