Funtech HN-60TYPE-3D Muffler 55 Size : BN323

This 3D muffler is for YS60SR, YS56SR, RL-56H, OS Max-55HZ and Max-55HZ-R.

Using the common tuned method, this muffler pipes in for every 17,000 rotations.

The torque in high-speed range and response had been improved by increasing the volume of the expansion chamber.