This video shows me fitting a full fmf exhaust to my new Honda CRF250L and then compares the stock exhaust with the Q4 and ...

In this video, I take my new 2023 YZ450F out to a private track to pit the FMF exhaust against the Yoshimura and stock systems. Despite some overgrown trails and muddy conditions, I managed to get ...

FMF Racing, started in 1973 by Don Elmer, is one of the most well known performance exhaust manufacturers in the motocross industry and beyond. With a factory based in Rancho Dominguez, Calif., every ...