HATORI #939 Tuned Muffler for 91H / 3D Helicopter (90FS-3D.3)
[HTR-939]

HATORI #939 Tuned Muffler for 3D Helicopter (90FS-3D.3) for O.S. Engine 91HZ, 91HZ-PS, 91HZ-R, Align 91H etc.

This tuned Pipe has been designed and produced for exsclusively for 3D.
For 12,000-15,000RPM Maximum Power is available.
When set for 15,000-16,000RPM and in event RPM decreased due to excess
steering load, the system keep the intended RPM.

Made in Japan.