Dubro Muffler Extension RC Aircraft Accessory - DUB699 Glass Working Bits the UMX Radian does not

the UMX Radian does not require FAA registration

The triangular handle profile stops the tool rolling off your workbench and reduces hand fatigue during extended build sessions

The GTR (Graduate Tuned Racing) design uses a threaded aluminum body that allows ride height and spring preload to be adjusted without swapping springs

Moulded to Traxxas production tolerances for a straightforward like-for-like swap

Lower pitch suits high-torque motor and engine setups where controllability and throttle response are priorities

Dubro Muffler Extension RC Aircraft Accessory - DUB699 Glass Working Bits the UMX Radian does notThe Dubro DUB699 Muffler Extension is an RC aircraft accessory designed for models running . 40 to . 46 size engines, providing the additional exhaust clearance needed when the standard muffler position doesn't suit the airframe. It's a straightforward, purpose built part that fits ASP, Magnum, O. S., and Thunder Tiger engines covering a wide range of popular sport and trainer aircraft powerplants. Key Features Designed for . 40 to . 46 size glow