Carbon Rear Muffler

I tested the Carbon Rear Muffker with K77.
This was made by H.Kiyomoto who is a Carbon Fiver specialist
As compared to the normal of the muffler, I was impressed with the reliable power-up.
I like this very much.
Sound level is almost same but the tone is a little different.

■Muffler volume
normal 115cc
carbon 180cc

■Length
normal 147mm
carbon 172mm

■Weight
normal 44g
carbon 63g