OSM72149000 OS Engines Powerboost Pipe 55 II

This is the Powerboost III Pipe for the O.S. Engines 55HZ Hyper, 55HZ-R and 50SX-H Hyper Helicopter Engines.
Features:

• Aluminum construction with polished natural finish
• Excellent performance from high RPM maneuvers to idling and hovering

Specifications: Length: 11.1″ (281mm) Diameter: 1.71″ (43.6mm) Distance Between Muffler Mounting Hole Centers: 1.4″ (37mm) Exhaust Outlet Diameter: 0.35″ (9mm)
Includes:

• Powerboost III Pipe with Metal Gasket
• Rubber Exhaust Tube, black in color
• Two M3x35mm Socket Head Screws
• Two M3 Nuts
• M4 Nipple
• M4x6 Plug Screw
• Zip Tie