HMF Dobeck EFI Tuning Box YCRF_bikes Articulated construction with accordion stretch

Articulated construction with accordion stretch zones

the REV knee brace MX sock features strategic mesh paneling and a functional blend of moisture wicking yarns

On the fly adjustable lever reach

It will NOT work with high performance aftermarket canister-type systems

and a radius rod that's built for battle

HMF Dobeck EFI Tuning Box YCRF_bikes Articulated construction with accordion stretchThe HMF Optimizer is a Fuel Injection Controller that has been pre programmed with the proper tuning specifications for your HMF exhaust. You must retune your machine when you're adding an exhaust system, so not tuning your machine will void the warranty of your exhaust.