O.S. 12/.21 Induction Silencer On-Road replacement Air Filters (3) Mini-z Small(only 12x12x6mm)and lightweight Transponder(1

Small(only 12x12x6mm)and lightweight Transponder(1

Made with durable carbon reinforced plastic

with 2-channel radio

Used by many of the top tracks across the country

Bob Smith Industries Lower Strength Thread Locker (Purple 10ml)

O.S. 12/.21 Induction Silencer On-Road replacement Air Filters (3) Mini-z Small(only 12x12x6mm)and lightweight Transponder(1This is a pack of three replacement filters for the O. S. Induction Silencer for on road racing (OSMG2350). This EFRA IFMAR approved silencer was developed for . 12 . 21 class on road engines to help reduce noise levels, while at the same time having very little affect on power output.