Over Racing are one of Japan's most popular motorcycle parts engineering companies - a company with a track record of excellence and very high quality components.
As well a making race winning motorcycles the company engineer a vast range of extraordinarily high quality mini bike parts - like this full titanium muffler system.
So if you want the very best for your Monkey, then you will have trouble finding anything better than this!
Check out this lower priced alternative:
130147
Superb appearance and light weight. Creates a deep big single sound! Improves performance with reduced exhaust back pressure.