The FMF Gnarly Gold series increases engine rpm, power and torque, making it perfect for the most difficult routes.
It is ideal when you want to add the features of a 4-stroke to a 2-stroke and need a hose capable of withstanding difficult conditions
- Strong and robust, this expansion distributes more torque and thrust at low and medium revs, necessary for the latest models from 200cc to 500cc and for off road
- Super tough 18 gauge steel construction
- O-rings included
- BETA 250RR 13-19
- BETA 300RR 13-19