fmf
there is 2options procircuit or fmf,tried bills pipes review but they didnt list it go rm
ProCircuit is a website which deals in racing hardware. Motorcycles, engines, exhaust systems, suspension systems, and tools and lubricants are all available for purchase on ProCircuit.
no they are not
It goes 63-65 kawaski is better I have a kx 80 and it goes 75 with my procircuit pipe 67 without it
Pro circuit is better, I would tell you why but it would take me an hour to type that much.
It stands for flying machine factory.
how cam you download a fmf cleance certificate
the fmf power core 4 will give you the most bang for your buck
One can purchase an FMF exhaust system directly from FMF's website, or through another authorized retailer such as MotoSport or JC Motors. It is not recommended to buy an FMF exhaust from a secondary source, due to a lack of warranty coverage.
75mph
No
here's a good list of exhaust and silencers you can put on your rm80/85: FMF fatty, FMF SST, FMF Factory Fatty (copied version of Fatty), FMF Shorty silencer, FMF Powercore 2 silencer, FMF turbine core 2 (trail riding and neighborhood riding Pro Circuit Platinum, Pro Circuit Platinum 2, Pro Circuit 304 Shorty Silencer, Pro Circuit Spark Arrestor Silencer(neighborhood and trail riding), Pro Circuit 304 factory silencer